diff options
Diffstat (limited to 'drivers/clk/rockchip')
| -rw-r--r-- | drivers/clk/rockchip/Makefile | 2 | ||||
| -rw-r--r-- | drivers/clk/rockchip/clk-cpu.c | 4 | ||||
| -rw-r--r-- | drivers/clk/rockchip/clk-pll.c | 258 | ||||
| -rw-r--r-- | drivers/clk/rockchip/clk-rk3036.c | 493 | ||||
| -rw-r--r-- | drivers/clk/rockchip/clk-rk3188.c | 112 | ||||
| -rw-r--r-- | drivers/clk/rockchip/clk-rk3228.c | 678 | ||||
| -rw-r--r-- | drivers/clk/rockchip/clk-rk3288.c | 136 | ||||
| -rw-r--r-- | drivers/clk/rockchip/clk-rk3368.c | 13 | ||||
| -rw-r--r-- | drivers/clk/rockchip/clk.c | 144 | ||||
| -rw-r--r-- | drivers/clk/rockchip/clk.h | 62 |
10 files changed, 1781 insertions, 121 deletions
diff --git a/drivers/clk/rockchip/Makefile b/drivers/clk/rockchip/Makefile index b27edd6c8183..80b9a379beb4 100644 --- a/drivers/clk/rockchip/Makefile +++ b/drivers/clk/rockchip/Makefile @@ -10,6 +10,8 @@ obj-y += clk-inverter.o obj-y += clk-mmc-phase.o obj-$(CONFIG_RESET_CONTROLLER) += softrst.o +obj-y += clk-rk3036.o obj-y += clk-rk3188.o +obj-y += clk-rk3228.o obj-y += clk-rk3288.o obj-y += clk-rk3368.o diff --git a/drivers/clk/rockchip/clk-cpu.c b/drivers/clk/rockchip/clk-cpu.c index 330870a6d8bf..d07374f48caf 100644 --- a/drivers/clk/rockchip/clk-cpu.c +++ b/drivers/clk/rockchip/clk-cpu.c @@ -242,8 +242,8 @@ struct clk *rockchip_clk_register_cpuclk(const char *name, struct clk *clk, *cclk; int ret; - if (num_parents != 2) { - pr_err("%s: needs two parent clocks\n", __func__); + if (num_parents < 2) { + pr_err("%s: needs at least two parent clocks\n", __func__); return ERR_PTR(-EINVAL); } diff --git a/drivers/clk/rockchip/clk-pll.c b/drivers/clk/rockchip/clk-pll.c index 4881eb8a1576..b7e66c9dd9f2 100644 --- a/drivers/clk/rockchip/clk-pll.c +++ b/drivers/clk/rockchip/clk-pll.c @@ -2,6 +2,9 @@ * Copyright (c) 2014 MundoReader S.L. * Author: Heiko Stuebner <heiko@sntech.de> * + * Copyright (c) 2015 Rockchip Electronics Co. Ltd. + * Author: Xing Zheng <zhengxing@rock-chips.com> + * * This program is free software; you can redistribute it and/or modify * it under the terms of the GNU General Public License as published by * the Free Software Foundation; either version 2 of the License, or @@ -19,6 +22,7 @@ #include <linux/delay.h> #include <linux/clk-provider.h> #include <linux/regmap.h> +#include <linux/clk.h> #include "clk.h" #define PLL_MODE_MASK 0x3 @@ -108,6 +112,252 @@ static int rockchip_pll_wait_lock(struct rockchip_clk_pll *pll) } /** + * PLL used in RK3036 + */ + +#define RK3036_PLLCON(i) (i * 0x4) +#define RK3036_PLLCON0_FBDIV_MASK 0xfff +#define RK3036_PLLCON0_FBDIV_SHIFT 0 +#define RK3036_PLLCON0_POSTDIV1_MASK 0x7 +#define RK3036_PLLCON0_POSTDIV1_SHIFT 12 +#define RK3036_PLLCON1_REFDIV_MASK 0x3f +#define RK3036_PLLCON1_REFDIV_SHIFT 0 +#define RK3036_PLLCON1_POSTDIV2_MASK 0x7 +#define RK3036_PLLCON1_POSTDIV2_SHIFT 6 +#define RK3036_PLLCON1_DSMPD_MASK 0x1 +#define RK3036_PLLCON1_DSMPD_SHIFT 12 +#define RK3036_PLLCON2_FRAC_MASK 0xffffff +#define RK3036_PLLCON2_FRAC_SHIFT 0 + +#define RK3036_PLLCON1_PWRDOWN (1 << 13) + +static void rockchip_rk3036_pll_get_params(struct rockchip_clk_pll *pll, + struct rockchip_pll_rate_table *rate) +{ + u32 pllcon; + + pllcon = readl_relaxed(pll->reg_base + RK3036_PLLCON(0)); + rate->fbdiv = ((pllcon >> RK3036_PLLCON0_FBDIV_SHIFT) + & RK3036_PLLCON0_FBDIV_MASK); + rate->postdiv1 = ((pllcon >> RK3036_PLLCON0_POSTDIV1_SHIFT) + & RK3036_PLLCON0_POSTDIV1_MASK); + + pllcon = readl_relaxed(pll->reg_base + RK3036_PLLCON(1)); + rate->refdiv = ((pllcon >> RK3036_PLLCON1_REFDIV_SHIFT) + & RK3036_PLLCON1_REFDIV_MASK); + rate->postdiv2 = ((pllcon >> RK3036_PLLCON1_POSTDIV2_SHIFT) + & RK3036_PLLCON1_POSTDIV2_MASK); + rate->dsmpd = ((pllcon >> RK3036_PLLCON1_DSMPD_SHIFT) + & RK3036_PLLCON1_DSMPD_MASK); + + pllcon = readl_relaxed(pll->reg_base + RK3036_PLLCON(2)); + rate->frac = ((pllcon >> RK3036_PLLCON2_FRAC_SHIFT) + & RK3036_PLLCON2_FRAC_MASK); +} + +static unsigned long rockchip_rk3036_pll_recalc_rate(struct clk_hw *hw, + unsigned long prate) +{ + struct rockchip_clk_pll *pll = to_rockchip_clk_pll(hw); + struct rockchip_pll_rate_table cur; + u64 rate64 = prate; + + rockchip_rk3036_pll_get_params(pll, &cur); + + rate64 *= cur.fbdiv; + do_div(rate64, cur.refdiv); + + if (cur.dsmpd == 0) { + /* fractional mode */ + u64 frac_rate64 = prate * cur.frac; + + do_div(frac_rate64, cur.refdiv); + rate64 += frac_rate64 >> 24; + } + + do_div(rate64, cur.postdiv1); + do_div(rate64, cur.postdiv2); + + return (unsigned long)rate64; +} + +static int rockchip_rk3036_pll_set_params(struct rockchip_clk_pll *pll, + const struct rockchip_pll_rate_table *rate) +{ + const struct clk_ops *pll_mux_ops = pll->pll_mux_ops; + struct clk_mux *pll_mux = &pll->pll_mux; + struct rockchip_pll_rate_table cur; + u32 pllcon; + int rate_change_remuxed = 0; + int cur_parent; + int ret; + + pr_debug("%s: rate settings for %lu fbdiv: %d, postdiv1: %d, refdiv: %d, postdiv2: %d, dsmpd: %d, frac: %d\n", + __func__, rate->rate, rate->fbdiv, rate->postdiv1, rate->refdiv, + rate->postdiv2, rate->dsmpd, rate->frac); + + rockchip_rk3036_pll_get_params(pll, &cur); + cur.rate = 0; + + cur_parent = pll_mux_ops->get_parent(&pll_mux->hw); + if (cur_parent == PLL_MODE_NORM) { + pll_mux_ops->set_parent(&pll_mux->hw, PLL_MODE_SLOW); + rate_change_remuxed = 1; + } + + /* update pll values */ + writel_relaxed(HIWORD_UPDATE(rate->fbdiv, RK3036_PLLCON0_FBDIV_MASK, + RK3036_PLLCON0_FBDIV_SHIFT) | + HIWORD_UPDATE(rate->postdiv1, RK3036_PLLCON0_POSTDIV1_MASK, + RK3036_PLLCON0_POSTDIV1_SHIFT), + pll->reg_base + RK3036_PLLCON(0)); + + writel_relaxed(HIWORD_UPDATE(rate->refdiv, RK3036_PLLCON1_REFDIV_MASK, + RK3036_PLLCON1_REFDIV_SHIFT) | + HIWORD_UPDATE(rate->postdiv2, RK3036_PLLCON1_POSTDIV2_MASK, + RK3036_PLLCON1_POSTDIV2_SHIFT) | + HIWORD_UPDATE(rate->dsmpd, RK3036_PLLCON1_DSMPD_MASK, + RK3036_PLLCON1_DSMPD_SHIFT), + pll->reg_base + RK3036_PLLCON(1)); + + /* GPLL CON2 is not HIWORD_MASK */ + pllcon = readl_relaxed(pll->reg_base + RK3036_PLLCON(2)); + pllcon &= ~(RK3036_PLLCON2_FRAC_MASK << RK3036_PLLCON2_FRAC_SHIFT); + pllcon |= rate->frac << RK3036_PLLCON2_FRAC_SHIFT; + writel_relaxed(pllcon, pll->reg_base + RK3036_PLLCON(2)); + + /* wait for the pll to lock */ + ret = rockchip_pll_wait_lock(pll); + if (ret) { + pr_warn("%s: pll update unsucessful, trying to restore old params\n", + __func__); + rockchip_rk3036_pll_set_params(pll, &cur); + } + + if (rate_change_remuxed) + pll_mux_ops->set_parent(&pll_mux->hw, PLL_MODE_NORM); + + return ret; +} + +static int rockchip_rk3036_pll_set_rate(struct clk_hw *hw, unsigned long drate, + unsigned long prate) +{ + struct rockchip_clk_pll *pll = to_rockchip_clk_pll(hw); + const struct rockchip_pll_rate_table *rate; + unsigned long old_rate = rockchip_rk3036_pll_recalc_rate(hw, prate); + struct regmap *grf = rockchip_clk_get_grf(); + + if (IS_ERR(grf)) { + pr_debug("%s: grf regmap not available, aborting rate change\n", + __func__); + return PTR_ERR(grf); + } + + pr_debug("%s: changing %s from %lu to %lu with a parent rate of %lu\n", + __func__, __clk_get_name(hw->clk), old_rate, drate, prate); + + /* Get required rate settings from table */ + rate = rockchip_get_pll_settings(pll, drate); + if (!rate) { + pr_err("%s: Invalid rate : %lu for pll clk %s\n", __func__, + drate, __clk_get_name(hw->clk)); + return -EINVAL; + } + + return rockchip_rk3036_pll_set_params(pll, rate); +} + +static int rockchip_rk3036_pll_enable(struct clk_hw *hw) +{ + struct rockchip_clk_pll *pll = to_rockchip_clk_pll(hw); + + writel(HIWORD_UPDATE(0, RK3036_PLLCON1_PWRDOWN, 0), + pll->reg_base + RK3036_PLLCON(1)); + + return 0; +} + +static void rockchip_rk3036_pll_disable(struct clk_hw *hw) +{ + struct rockchip_clk_pll *pll = to_rockchip_clk_pll(hw); + + writel(HIWORD_UPDATE(RK3036_PLLCON1_PWRDOWN, + RK3036_PLLCON1_PWRDOWN, 0), + pll->reg_base + RK3036_PLLCON(1)); +} + +static int rockchip_rk3036_pll_is_enabled(struct clk_hw *hw) +{ + struct rockchip_clk_pll *pll = to_rockchip_clk_pll(hw); + u32 pllcon = readl(pll->reg_base + RK3036_PLLCON(1)); + + return !(pllcon & RK3036_PLLCON1_PWRDOWN); +} + +static void rockchip_rk3036_pll_init(struct clk_hw *hw) +{ + struct rockchip_clk_pll *pll = to_rockchip_clk_pll(hw); + const struct rockchip_pll_rate_table *rate; + struct rockchip_pll_rate_table cur; + unsigned long drate; + + if (!(pll->flags & ROCKCHIP_PLL_SYNC_RATE)) + return; + + drate = clk_hw_get_rate(hw); + rate = rockchip_get_pll_settings(pll, drate); + + /* when no rate setting for the current rate, rely on clk_set_rate */ + if (!rate) + return; + + rockchip_rk3036_pll_get_params(pll, &cur); + + pr_debug("%s: pll %s@%lu: Hz\n", __func__, __clk_get_name(hw->clk), + drate); + pr_debug("old - fbdiv: %d, postdiv1: %d, refdiv: %d, postdiv2: %d, dsmpd: %d, frac: %d\n", + cur.fbdiv, cur.postdiv1, cur.refdiv, cur.postdiv2, + cur.dsmpd, cur.frac); + pr_debug("new - fbdiv: %d, postdiv1: %d, refdiv: %d, postdiv2: %d, dsmpd: %d, frac: %d\n", + rate->fbdiv, rate->postdiv1, rate->refdiv, rate->postdiv2, + rate->dsmpd, rate->frac); + + if (rate->fbdiv != cur.fbdiv || rate->postdiv1 != cur.postdiv1 || + rate->refdiv != cur.refdiv || rate->postdiv2 != cur.postdiv2 || + rate->dsmpd != cur.dsmpd || rate->frac != cur.frac) { + struct clk *parent = clk_get_parent(hw->clk); + + if (!parent) { + pr_warn("%s: parent of %s not available\n", + __func__, __clk_get_name(hw->clk)); + return; + } + + pr_debug("%s: pll %s: rate params do not match rate table, adjusting\n", + __func__, __clk_get_name(hw->clk)); + rockchip_rk3036_pll_set_params(pll, rate); + } +} + +static const struct clk_ops rockchip_rk3036_pll_clk_norate_ops = { + .recalc_rate = rockchip_rk3036_pll_recalc_rate, + .enable = rockchip_rk3036_pll_enable, + .disable = rockchip_rk3036_pll_disable, + .is_enabled = rockchip_rk3036_pll_is_enabled, +}; + +static const struct clk_ops rockchip_rk3036_pll_clk_ops = { + .recalc_rate = rockchip_rk3036_pll_recalc_rate, + .round_rate = rockchip_pll_round_rate, + .set_rate = rockchip_rk3036_pll_set_rate, + .enable = rockchip_rk3036_pll_enable, + .disable = rockchip_rk3036_pll_disable, + .is_enabled = rockchip_rk3036_pll_is_enabled, + .init = rockchip_rk3036_pll_init, +}; + +/** * PLL used in RK3066, RK3188 and RK3288 */ @@ -376,7 +626,7 @@ struct clk *rockchip_clk_register_pll(enum rockchip_pll_type pll_type, pll_mux->lock = lock; pll_mux->hw.init = &init; - if (pll_type == pll_rk3066) + if (pll_type == pll_rk3036 || pll_type == pll_rk3066) pll_mux->flags |= CLK_MUX_HIWORD_MASK; /* the actual muxing is xin24m, pll-output, xin32k */ @@ -421,6 +671,12 @@ struct clk *rockchip_clk_register_pll(enum rockchip_pll_type pll_type, } switch (pll_type) { + case pll_rk3036: + if (!pll->rate_table) + init.ops = &rockchip_rk3036_pll_clk_norate_ops; + else + init.ops = &rockchip_rk3036_pll_clk_ops; + break; case pll_rk3066: if (!pll->rate_table) init.ops = &rockchip_rk3066_pll_clk_norate_ops; diff --git a/drivers/clk/rockchip/clk-rk3036.c b/drivers/clk/rockchip/clk-rk3036.c new file mode 100644 index 000000000000..ebce98033fbb --- /dev/null +++ b/drivers/clk/rockchip/clk-rk3036.c @@ -0,0 +1,493 @@ +/* + * Copyright (c) 2014 MundoReader S.L. + * Author: Heiko Stuebner <heiko@sntech.de> + * + * Copyright (c) 2015 Rockchip Electronics Co. Ltd. + * Author: Xing Zheng <zhengxing@rock-chips.com> + * + * This program is free software; you can redistribute it and/or modify + * it under the terms of the GNU General Public License as published by + * the Free Software Foundation; either version 2 of the License, or + * (at your option) any later version. + * + * This program is distributed in the hope that it will be useful, + * but WITHOUT ANY WARRANTY; without even the implied warranty of + * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the + * GNU General Public License for more details. + */ + +#include <linux/clk-provider.h> +#include <linux/of.h> +#include <linux/of_address.h> +#include <linux/syscore_ops.h> +#include <dt-bindings/clock/rk3036-cru.h> +#include "clk.h" + +#define RK3036_GRF_SOC_STATUS0 0x14c + +enum rk3036_plls { + apll, dpll, gpll, +}; + +static struct rockchip_pll_rate_table rk3036_pll_rates[] = { + /* _mhz, _refdiv, _fbdiv, _postdiv1, _postdiv2, _dsmpd, _frac */ + RK3036_PLL_RATE(1608000000, 1, 67, 1, 1, 1, 0), + RK3036_PLL_RATE(1584000000, 1, 66, 1, 1, 1, 0), + RK3036_PLL_RATE(1560000000, 1, 65, 1, 1, 1, 0), + RK3036_PLL_RATE(1536000000, 1, 64, 1, 1, 1, 0), + RK3036_PLL_RATE(1512000000, 1, 63, 1, 1, 1, 0), + RK3036_PLL_RATE(1488000000, 1, 62, 1, 1, 1, 0), + RK3036_PLL_RATE(1464000000, 1, 61, 1, 1, 1, 0), + RK3036_PLL_RATE(1440000000, 1, 60, 1, 1, 1, 0), + RK3036_PLL_RATE(1416000000, 1, 59, 1, 1, 1, 0), + RK3036_PLL_RATE(1392000000, 1, 58, 1, 1, 1, 0), + RK3036_PLL_RATE(1368000000, 1, 57, 1, 1, 1, 0), + RK3036_PLL_RATE(1344000000, 1, 56, 1, 1, 1, 0), + RK3036_PLL_RATE(1320000000, 1, 55, 1, 1, 1, 0), + RK3036_PLL_RATE(1296000000, 1, 54, 1, 1, 1, 0), + RK3036_PLL_RATE(1272000000, 1, 53, 1, 1, 1, 0), + RK3036_PLL_RATE(1248000000, 1, 52, 1, 1, 1, 0), + RK3036_PLL_RATE(1200000000, 1, 50, 1, 1, 1, 0), + RK3036_PLL_RATE(1188000000, 2, 99, 1, 1, 1, 0), + RK3036_PLL_RATE(1104000000, 1, 46, 1, 1, 1, 0), + RK3036_PLL_RATE(1100000000, 12, 550, 1, 1, 1, 0), + RK3036_PLL_RATE(1008000000, 1, 84, 2, 1, 1, 0), + RK3036_PLL_RATE(1000000000, 6, 500, 2, 1, 1, 0), + RK3036_PLL_RATE( 984000000, 1, 82, 2, 1, 1, 0), + RK3036_PLL_RATE( 960000000, 1, 80, 2, 1, 1, 0), + RK3036_PLL_RATE( 936000000, 1, 78, 2, 1, 1, 0), + RK3036_PLL_RATE( 912000000, 1, 76, 2, 1, 1, 0), + RK3036_PLL_RATE( 900000000, 4, 300, 2, 1, 1, 0), + RK3036_PLL_RATE( 888000000, 1, 74, 2, 1, 1, 0), + RK3036_PLL_RATE( 864000000, 1, 72, 2, 1, 1, 0), + RK3036_PLL_RATE( 840000000, 1, 70, 2, 1, 1, 0), + RK3036_PLL_RATE( 816000000, 1, 68, 2, 1, 1, 0), + RK3036_PLL_RATE( 800000000, 6, 400, 2, 1, 1, 0), + RK3036_PLL_RATE( 700000000, 6, 350, 2, 1, 1, 0), + RK3036_PLL_RATE( 696000000, 1, 58, 2, 1, 1, 0), + RK3036_PLL_RATE( 600000000, 1, 75, 3, 1, 1, 0), + RK3036_PLL_RATE( 594000000, 2, 99, 2, 1, 1, 0), + RK3036_PLL_RATE( 504000000, 1, 63, 3, 1, 1, 0), + RK3036_PLL_RATE( 500000000, 6, 250, 2, 1, 1, 0), + RK3036_PLL_RATE( 408000000, 1, 68, 2, 2, 1, 0), + RK3036_PLL_RATE( 312000000, 1, 52, 2, 2, 1, 0), + RK3036_PLL_RATE( 216000000, 1, 72, 4, 2, 1, 0), + RK3036_PLL_RATE( 96000000, 1, 64, 4, 4, 1, 0), + { /* sentinel */ }, +}; + +#define RK3036_DIV_CPU_MASK 0x1f +#define RK3036_DIV_CPU_SHIFT 8 + +#define RK3036_DIV_PERI_MASK 0xf +#define RK3036_DIV_PERI_SHIFT 0 +#define RK3036_DIV_ACLK_MASK 0x7 +#define RK3036_DIV_ACLK_SHIFT 4 +#define RK3036_DIV_HCLK_MASK 0x3 +#define RK3036_DIV_HCLK_SHIFT 8 +#define RK3036_DIV_PCLK_MASK 0x7 +#define RK3036_DIV_PCLK_SHIFT 12 + +#define RK3036_CLKSEL1(_core_periph_div) \ + { \ + .reg = RK2928_CLKSEL_CON(1), \ + .val = HIWORD_UPDATE(_core_periph_div, RK3036_DIV_PERI_MASK, \ + RK3036_DIV_PERI_SHIFT) \ + } + +#define RK3036_CPUCLK_RATE(_prate, _core_periph_div) \ + { \ + .prate = _prate, \ + .divs = { \ + RK3036_CLKSEL1(_core_periph_div), \ + }, \ + } + +static struct rockchip_cpuclk_rate_table rk3036_cpuclk_rates[] __initdata = { + RK3036_CPUCLK_RATE(816000000, 4), + RK3036_CPUCLK_RATE(600000000, 4), + RK3036_CPUCLK_RATE(312000000, 4), +}; + +static const struct rockchip_cpuclk_reg_data rk3036_cpuclk_data = { + .core_reg = RK2928_CLKSEL_CON(0), + .div_core_shift = 0, + .div_core_mask = 0x1f, + .mux_core_shift = 7, +}; + +PNAME(mux_pll_p) = { "xin24m", "xin24m" }; + +PNAME(mux_armclk_p) = { "apll", "gpll_armclk" }; +PNAME(mux_busclk_p) = { "apll", "dpll_cpu", "gpll_cpu" }; +PNAME(mux_ddrphy_p) = { "dpll_ddr", "gpll_ddr" }; +PNAME(mux_pll_src_3plls_p) = { "apll", "dpll", "gpll" }; +PNAME(mux_timer_p) = { "xin24m", "pclk_peri_src" }; + +PNAME(mux_pll_src_apll_dpll_gpll_usb480m_p) = { "apll", "dpll", "gpll" "usb480m" }; + +PNAME(mux_mmc_src_p) = { "apll", "dpll", "gpll", "xin24m" }; +PNAME(mux_i2s_pre_p) = { "i2s_src", "i2s_frac", "ext_i2s", "xin12m" }; +PNAME(mux_i2s_clkout_p) = { "i2s_pre", "xin12m" }; +PNAME(mux_spdif_p) = { "spdif_src", "spdif_frac", "xin12m" }; +PNAME(mux_uart0_p) = { "uart0_src", "uart0_frac", "xin24m" }; +PNAME(mux_uart1_p) = { "uart1_src", "uart1_frac", "xin24m" }; +PNAME(mux_uart2_p) = { "uart2_src", "uart2_frac", "xin24m" }; +PNAME(mux_mac_p) = { "mac_pll_src", "ext_gmac" }; +PNAME(mux_dclk_p) = { "dclk_lcdc", "dclk_cru" }; + +static struct rockchip_pll_clock rk3036_pll_clks[] __initdata = { + [apll] = PLL(pll_rk3036, PLL_APLL, "apll", mux_pll_p, 0, RK2928_PLL_CON(0), + RK2928_MODE_CON, 0, 5, 0, rk3036_pll_rates), + [dpll] = PLL(pll_rk3036, PLL_DPLL, "dpll", mux_pll_p, 0, RK2928_PLL_CON(4), + RK2928_MODE_CON, 4, 4, 0, NULL), + [gpll] = PLL(pll_rk3036, PLL_GPLL, "gpll", mux_pll_p, 0, RK2928_PLL_CON(12), + RK2928_MODE_CON, 12, 6, ROCKCHIP_PLL_SYNC_RATE, rk3036_pll_rates), +}; + +#define MFLAGS CLK_MUX_HIWORD_MASK +#define DFLAGS CLK_DIVIDER_HIWORD_MASK +#define GFLAGS (CLK_GATE_HIWORD_MASK | CLK_GATE_SET_TO_DISABLE) + +static struct rockchip_clk_branch rk3036_uart0_fracmux __initdata = + MUX(SCLK_UART0, "sclk_uart0", mux_uart0_p, CLK_SET_RATE_PARENT, + RK2928_CLKSEL_CON(13), 8, 2, MFLAGS); + +static struct rockchip_clk_branch rk3036_uart1_fracmux __initdata = + MUX(SCLK_UART1, "sclk_uart1", mux_uart1_p, CLK_SET_RATE_PARENT, + RK2928_CLKSEL_CON(14), 8, 2, MFLAGS); + +static struct rockchip_clk_branch rk3036_uart2_fracmux __initdata = + MUX(SCLK_UART2, "sclk_uart2", mux_uart2_p, CLK_SET_RATE_PARENT, + RK2928_CLKSEL_CON(15), 8, 2, MFLAGS); + +static struct rockchip_clk_branch rk3036_i2s_fracmux __initdata = + MUX(0, "i2s_pre", mux_i2s_pre_p, CLK_SET_RATE_PARENT, + RK2928_CLKSEL_CON(3), 8, 2, MFLAGS); + +static struct rockchip_clk_branch rk3036_spdif_fracmux __initdata = + MUX(SCLK_SPDIF, "sclk_spdif", mux_spdif_p, 0, + RK2928_CLKSEL_CON(5), 8, 2, MFLAGS); + +static struct rockchip_clk_branch rk3036_clk_branches[] __initdata = { + /* + * Clock-Architecture Diagram 1 + */ + + GATE(0, "gpll_armclk", "gpll", CLK_IGNORE_UNUSED, + RK2928_CLKGATE_CON(0), 6, GFLAGS), + + /* + * Clock-Architecture Diagram 2 + */ + + GATE(0, "dpll_ddr", "dpll", CLK_IGNORE_UNUSED, + RK2928_CLKGATE_CON(0), 2, GFLAGS), + GATE(0, "gpll_ddr", "gpll", CLK_IGNORE_UNUSED, + RK2928_CLKGATE_CON(0), 8, GFLAGS), + COMPOSITE_NOGATE(0, "ddrphy2x", mux_ddrphy_p, CLK_IGNORE_UNUSED, + RK2928_CLKSEL_CON(26), 8, 1, MFLAGS, 0, 2, DFLAGS | CLK_DIVIDER_POWER_OF_TWO), + + COMPOSITE_NOMUX(0, "pclk_dbg", "armclk", CLK_IGNORE_UNUSED, + RK2928_CLKSEL_CON(1), 0, 4, DFLAGS | CLK_DIVIDER_READ_ONLY, + RK2928_CLKGATE_CON(0), 7, GFLAGS), + COMPOSITE_NOMUX(0, "aclk_core_pre", "armclk", CLK_IGNORE_UNUSED, + RK2928_CLKSEL_CON(1), 4, 3, DFLAGS | CLK_DIVIDER_READ_ONLY, + RK2928_CLKGATE_CON(0), 7, GFLAGS), + + GATE(0, "dpll_cpu", "dpll", 0, RK2928_CLKGATE_CON(10), 8, GFLAGS), + GATE(0, "gpll_cpu", "gpll", 0, RK2928_CLKGATE_CON(0), 1, GFLAGS), + COMPOSITE_NOGATE(0, "aclk_cpu_src", mux_busclk_p, 0, + RK2928_CLKSEL_CON(0), 14, 2, MFLAGS, 8, 5, DFLAGS), + GATE(ACLK_CPU, "aclk_cpu", "aclk_cpu_src", CLK_IGNORE_UNUSED, + RK2928_CLKGATE_CON(0), 3, GFLAGS), + COMPOSITE_NOMUX(PCLK_CPU, "pclk_cpu", "aclk_cpu_src", CLK_IGNORE_UNUSED, + RK2928_CLKSEL_CON(1), 12, 3, DFLAGS | CLK_DIVIDER_READ_ONLY, + RK2928_CLKGATE_CON(0), 5, GFLAGS), + COMPOSITE_NOMUX(HCLK_CPU, "hclk_cpu", "aclk_cpu_src", CLK_IGNORE_UNUSED, + RK2928_CLKSEL_CON(1), 8, 2, DFLAGS | CLK_DIVIDER_READ_ONLY, + RK2928_CLKGATE_CON(0), 4, GFLAGS), + + COMPOSITE(0, "aclk_peri_src", mux_pll_src_3plls_p, 0, + RK2928_CLKSEL_CON(10), 14, 2, MFLAGS, 0, 5, DFLAGS, + RK2928_CLKGATE_CON(2), 0, GFLAGS), + + GATE(ACLK_PERI, "aclk_peri", "aclk_peri_src", 0, + RK2928_CLKGATE_CON(2), 1, GFLAGS), + DIV(0, "pclk_peri_src", "aclk_peri_src", CLK_IGNORE_UNUSED, + RK2928_CLKSEL_CON(10), 12, 2, DFLAGS | CLK_DIVIDER_POWER_OF_TWO), + GATE(PCLK_PERI, "pclk_peri", "pclk_peri_src", 0, + RK2928_CLKGATE_CON(2), 3, GFLAGS), + DIV(0, "hclk_peri_src", "aclk_peri_src", CLK_IGNORE_UNUSED, + RK2928_CLKSEL_CON(10), 8, 2, DFLAGS | CLK_DIVIDER_POWER_OF_TWO), + GATE(HCLK_PERI, "hclk_peri", "hclk_peri_src", 0, + RK2928_CLKGATE_CON(2), 2, GFLAGS), + + COMPOSITE_NODIV(SCLK_TIMER0, "sclk_timer0", mux_timer_p, CLK_IGNORE_UNUSED, + RK2928_CLKSEL_CON(2), 4, 1, DFLAGS, + RK2928_CLKGATE_CON(1), 0, GFLAGS), + COMPOSITE_NODIV(SCLK_TIMER1, "sclk_timer1", mux_timer_p, CLK_IGNORE_UNUSED, + RK2928_CLKSEL_CON(2), 5, 1, DFLAGS, + RK2928_CLKGATE_CON(1), 1, GFLAGS), + COMPOSITE_NODIV(SCLK_TIMER2, "sclk_timer2", mux_timer_p, CLK_IGNORE_UNUSED, + RK2928_CLKSEL_CON(2), 6, 1, DFLAGS, + RK2928_CLKGATE_CON(2), 4, GFLAGS), + COMPOSITE_NODIV(SCLK_TIMER3, "sclk_timer3", mux_timer_p, CLK_IGNORE_UNUSED, + RK2928_CLKSEL_CON(2), 7, 1, DFLAGS, + RK2928_CLKGATE_CON(2), 5, GFLAGS), + + MUX(0, "uart_pll_clk", mux_pll_src_apll_dpll_gpll_usb480m_p, 0, + RK2928_CLKSEL_CON(13), 10, 2, MFLAGS), + COMPOSITE_NOMUX(0, "uart0_src", "uart_pll_clk", 0, + RK2928_CLKSEL_CON(13), 0, 7, DFLAGS, + RK2928_CLKGATE_CON(1), 8, GFLAGS), + COMPOSITE_NOMUX(0, "uart1_src", "uart_pll_clk", 0, + RK2928_CLKSEL_CON(13), 0, 7, DFLAGS, + RK2928_CLKGATE_CON(1), 8, GFLAGS), + COMPOSITE_NOMUX(0, "uart2_src", "uart_pll_clk", 0, + RK2928_CLKSEL_CON(13), 0, 7, DFLAGS, + RK2928_CLKGATE_CON(1), 8, GFLAGS), + COMPOSITE_FRACMUX(0, "uart0_frac", "uart0_src", CLK_SET_RATE_PARENT, + RK2928_CLKSEL_CON(17), 0, + RK2928_CLKGATE_CON(1), 9, GFLAGS, + &rk3036_uart0_fracmux), + COMPOSITE_FRACMUX(0, "uart1_frac", "uart1_src", CLK_SET_RATE_PARENT, + RK2928_CLKSEL_CON(18), 0, + RK2928_CLKGATE_CON(1), 11, GFLAGS, + &rk3036_uart1_fracmux), + COMPOSITE_FRACMUX(0, "uart2_frac", "uart2_src", CLK_SET_RATE_PARENT, + RK2928_CLKSEL_CON(19), 0, + RK2928_CLKGATE_CON(1), 13, GFLAGS, + &rk3036_uart2_fracmux), + + COMPOSITE(0, "aclk_vcodec", mux_pll_src_3plls_p, 0, + RK2928_CLKSEL_CON(32), 14, 2, MFLAGS, 8, 5, DFLAGS, + RK2928_CLKGATE_CON(3), 11, GFLAGS), + + COMPOSITE(0, "aclk_hvec", mux_pll_src_3plls_p, 0, + RK2928_CLKSEL_CON(20), 0, 2, MFLAGS, 2, 5, DFLAGS, + RK2928_CLKGATE_CON(10), 6, GFLAGS), + + COMPOSITE(0, "aclk_disp1_pre", mux_pll_src_3plls_p, 0, + RK2928_CLKSEL_CON(31), 14, 2, MFLAGS, 8, 5, DFLAGS, + RK2928_CLKGATE_CON(1), 4, GFLAGS), + COMPOSITE(0, "hclk_disp_pre", mux_pll_src_3plls_p, 0, + RK2928_CLKSEL_CON(30), 14, 2, MFLAGS, 8, 5, DFLAGS, + RK2928_CLKGATE_CON(0), 11, GFLAGS), + COMPOSITE(SCLK_LCDC, "dclk_lcdc", mux_pll_src_3plls_p, 0, + RK2928_CLKSEL_CON(28), 0, 2, MFLAGS, 8, 8, DFLAGS, + RK2928_CLKGATE_CON(3), 2, GFLAGS), + + COMPOSITE_NODIV(0, "sclk_sdmmc_src", mux_mmc_src_p, 0, + RK2928_CLKSEL_CON(12), 8, 2, DFLAGS, + RK2928_CLKGATE_CON(2), 11, GFLAGS), + DIV(SCLK_SDMMC, "sclk_sdmmc", "sclk_sdmmc_src", 0, + RK2928_CLKSEL_CON(11), 0, 7, DFLAGS), + + COMPOSITE_NODIV(0, "sclk_sdio_src", mux_mmc_src_p, 0, + RK2928_CLKSEL_CON(12), 10, 2, DFLAGS, + RK2928_CLKGATE_CON(2), 13, GFLAGS), + DIV(SCLK_SDIO, "sclk_sdio", "sclk_sdio_src", 0, + RK2928_CLKSEL_CON(11), 8, 7, DFLAGS), + + COMPOSITE(SCLK_EMMC, "sclk_emmc", mux_mmc_src_p, 0, + RK2928_CLKSEL_CON(12), 12, 2, MFLAGS, 0, 7, DFLAGS, + RK2928_CLKGATE_CON(2), 14, GFLAGS), + + MMC(SCLK_SDMMC_DRV, "sdmmc_drv", "sclk_sdmmc", RK3036_SDMMC_CON0, 1), + MMC(SCLK_SDMMC_SAMPLE, "sdmmc_sample", "sclk_sdmmc", RK3036_SDMMC_CON1, 0), + + MMC(SCLK_SDIO_DRV, "sdio_drv", "sclk_sdio", RK3036_SDIO_CON0, 1), + MMC(SCLK_SDIO_SAMPLE, "sdio_sample", "sclk_sdio", RK3036_SDIO_CON1, 0), + + MMC(SCLK_EMMC_DRV, "emmc_drv", "sclk_emmc", RK3036_EMMC_CON0, 1), + MMC(SCLK_EMMC_SAMPLE, "emmc_sample", "sclk_emmc", RK3036_EMMC_CON1, 0), + + COMPOSITE(0, "i2s_src", mux_pll_src_3plls_p, 0, + RK2928_CLKSEL_CON(3), 14, 2, MFLAGS, 0, 7, DFLAGS, + RK2928_CLKGATE_CON(0), 9, GFLAGS), + COMPOSITE_FRACMUX(0, "i2s_frac", "i2s_src", CLK_SET_RATE_PARENT, + RK2928_CLKSEL_CON(7), 0, + RK2928_CLKGATE_CON(0), 10, GFLAGS, + &rk3036_i2s_fracmux), + COMPOSITE_NODIV(SCLK_I2S_OUT, "i2s_clkout", mux_i2s_clkout_p, 0, + RK2928_CLKSEL_CON(3), 12, 1, MFLAGS, + RK2928_CLKGATE_CON(0), 13, GFLAGS), + GATE(SCLK_I2S, "sclk_i2s", "i2s_pre", CLK_SET_RATE_PARENT, + RK2928_CLKGATE_CON(0), 14, GFLAGS), + + COMPOSITE(0, "spdif_src", mux_pll_src_3plls_p, 0, + RK2928_CLKSEL_CON(5), 10, 2, MFLAGS, 0, 7, DFLAGS, + RK2928_CLKGATE_CON(2), 10, GFLAGS), + COMPOSITE_FRACMUX(0, "spdif_frac", "spdif_src", 0, + RK2928_CLKSEL_CON(9), 0, + RK2928_CLKGATE_CON(2), 12, GFLAGS, + &rk3036_spdif_fracmux), + + GATE(SCLK_OTGPHY0, "sclk_otgphy0", "xin12m", CLK_IGNORE_UNUSED, + RK2928_CLKGATE_CON(1), 5, GFLAGS), + + COMPOSITE(SCLK_GPU, "sclk_gpu", mux_pll_src_3plls_p, 0, + RK2928_CLKSEL_CON(34), 8, 2, MFLAGS, 0, 5, DFLAGS, + RK2928_CLKGATE_CON(3), 13, GFLAGS), + + COMPOSITE(SCLK_SPI, "sclk_spi", mux_pll_src_3plls_p, 0, + RK2928_CLKSEL_CON(25), 8, 2, MFLAGS, 0, 7, DFLAGS, + RK2928_CLKGATE_CON(2), 9, GFLAGS), + + COMPOSITE(SCLK_NANDC, "sclk_nandc", mux_pll_src_3plls_p, 0, + RK2928_CLKSEL_CON(16), 8, 2, MFLAGS, 10, 5, DFLAGS, + RK2928_CLKGATE_CON(10), 4, GFLAGS), + + COMPOSITE(SCLK_SFC, "sclk_sfc", mux_pll_src_apll_dpll_gpll_usb480m_p, 0, + RK2928_CLKSEL_CON(16), 0, 2, MFLAGS, 2, 5, DFLAGS, + RK2928_CLKGATE_CON(10), 5, GFLAGS), + + COMPOSITE_NOGATE(0, "mac_pll_src", mux_pll_src_3plls_p, 0, + RK2928_CLKSEL_CON(21), 0, 2, MFLAGS, 4, 5, DFLAGS), + MUX(SCLK_MACREF, "mac_clk_ref", mux_mac_p, CLK_SET_RATE_PARENT, + RK2928_CLKSEL_CON(21), 3, 1, MFLAGS), + + COMPOSITE_NOMUX(SCLK_MAC, "mac_clk", "mac_clk_ref", 0, + RK2928_CLKSEL_CON(21), 9, 5, DFLAGS, + RK2928_CLKGATE_CON(2), 6, GFLAGS), + + MUX(SCLK_HDMI, "dclk_hdmi", mux_dclk_p, 0, + RK2928_CLKSEL_CON(31), 0, 1, MFLAGS), + + /* + * Clock-Architecture Diagram 3 + */ + + /* aclk_cpu gates */ + GATE(0, "sclk_intmem", "aclk_cpu", CLK_IGNORE_UNUSED, RK2928_CLKGATE_CON(4), 12, GFLAGS), + GATE(0, "aclk_strc_sys", "aclk_cpu", CLK_IGNORE_UNUSED, RK2928_CLKGATE_CON(4), 10, GFLAGS), + + /* hclk_cpu gates */ + GATE(HCLK_ROM, "hclk_rom", "hclk_cpu", CLK_IGNORE_UNUSED, RK2928_CLKGATE_CON(5), 6, GFLAGS), + + /* pclk_cpu gates */ + GATE(PCLK_GRF, "pclk_grf", "pclk_cpu", CLK_IGNORE_UNUSED, RK2928_CLKGATE_CON(5), 4, GFLAGS), + GATE(PCLK_DDRUPCTL, "pclk_ddrupctl", "pclk_cpu", 0, RK2928_CLKGATE_CON(5), 7, GFLAGS), + GATE(PCLK_ACODEC, "pclk_acodec", "pclk_cpu", 0, RK2928_CLKGATE_CON(5), 14, GFLAGS), + GATE(PCLK_HDMI, "pclk_hdmi", "pclk_cpu", 0, RK2928_CLKGATE_CON(3), 8, GFLAGS), + + /* aclk_vio gates */ + GATE(ACLK_VIO, "aclk_vio", "aclk_disp1_pre", CLK_IGNORE_UNUSED, RK2928_CLKGATE_CON(6), 13, GFLAGS), + GATE(ACLK_LCDC, "aclk_lcdc", "aclk_disp1_pre", 0, RK2928_CLKGATE_CON(9), 6, GFLAGS), + + GATE(HCLK_VIO_BUS, "hclk_vio_bus", "hclk_disp_pre", 0, RK2928_CLKGATE_CON(6), 12, GFLAGS), + GATE(HCLK_LCDC, "hclk_lcdc", "hclk_disp_pre", 0, RK2928_CLKGATE_CON(9), 5, GFLAGS), + + /* hclk_video gates */ + GATE(HCLK_VCODEC, "hclk_vcodec", "hclk_disp_pre", 0, RK2928_CLKGATE_CON(3), 12, GFLAGS), + + /* xin24m gates */ + GATE(SCLK_PVTM_CORE, "sclk_pvtm_core", "xin24m", 0, RK2928_CLKGATE_CON(10), 0, GFLAGS), + GATE(SCLK_PVTM_GPU, "sclk_pvtm_gpu", "xin24m", 0, RK2928_CLKGATE_CON(10), 1, GFLAGS), + + /* aclk_peri gates */ + GATE(0, "aclk_peri_axi_matrix", "aclk_peri", CLK_IGNORE_UNUSED, RK2928_CLKGATE_CON(4), 3, GFLAGS), + GATE(0, "aclk_cpu_peri", "aclk_peri", CLK_IGNORE_UNUSED, RK2928_CLKGATE_CON(4), 2, GFLAGS), + GATE(ACLK_DMAC2, "aclk_dmac2", "aclk_peri", 0, RK2928_CLKGATE_CON(5), 1, GFLAGS), + GATE(0, "aclk_peri_niu", "aclk_peri", CLK_IGNORE_UNUSED, RK2928_CLKGATE_CON(9), 15, GFLAGS), + + /* hclk_peri gates */ + GATE(0, "hclk_peri_matrix", "hclk_peri", CLK_IGNORE_UNUSED, RK2928_CLKGATE_CON(4), 0, GFLAGS), + GATE(0, "hclk_usb_peri", "hclk_peri", CLK_IGNORE_UNUSED, RK2928_CLKGATE_CON(9), 13, GFLAGS), + GATE(0, "hclk_peri_arbi", "hclk_peri", CLK_IGNORE_UNUSED, RK2928_CLKGATE_CON(9), 14, GFLAGS), + GATE(HCLK_NANDC, "hclk_nandc", "hclk_peri", 0, RK2928_CLKGATE_CON(5), 9, GFLAGS), + GATE(HCLK_SDMMC, "hclk_sdmmc", "hclk_peri", 0, RK2928_CLKGATE_CON(5), 10, GFLAGS), + GATE(HCLK_SDIO, "hclk_sdio", "hclk_peri", 0, RK2928_CLKGATE_CON(5), 11, GFLAGS), + GATE(HCLK_EMMC, "hclk_emmc", "hclk_peri", 0, RK2928_CLKGATE_CON(7), 0, GFLAGS), + GATE(HCLK_OTG0, "hclk_otg0", "hclk_peri", CLK_IGNORE_UNUSED, RK2928_CLKGATE_CON(5), 13, GFLAGS), + GATE(HCLK_OTG1, "hclk_otg1", "hclk_peri", CLK_IGNORE_UNUSED, RK2928_CLKGATE_CON(7), 3, GFLAGS), + GATE(HCLK_I2S, "hclk_i2s", "hclk_peri", 0, RK2928_CLKGATE_CON(7), 2, GFLAGS), + GATE(0, "hclk_sfc", "hclk_peri", CLK_IGNORE_UNUSED, RK2928_CLKGATE_CON(3), 14, GFLAGS), + GATE(0, "hclk_mac", "hclk_peri", CLK_IGNORE_UNUSED, RK2928_CLKGATE_CON(3), 15, GFLAGS), + + /* pclk_peri gates */ + GATE(0, "pclk_peri_matrix", "pclk_peri", CLK_IGNORE_UNUSED, RK2928_CLKGATE_CON(4), 1, GFLAGS), + GATE(0, "pclk_efuse", "pclk_peri", CLK_IGNORE_UNUSED, RK2928_CLKGATE_CON(5), 2, GFLAGS), + GATE(PCLK_TIMER, "pclk_timer", "pclk_peri", 0, RK2928_CLKGATE_CON(7), 7, GFLAGS), + GATE(PCLK_PWM, "pclk_pwm", "pclk_peri", 0, RK2928_CLKGATE_CON(7), 10, GFLAGS), + GATE(PCLK_SPI, "pclk_spi", "pclk_peri", 0, RK2928_CLKGATE_CON(7), 12, GFLAGS), + GATE(PCLK_WDT, "pclk_wdt", "pclk_peri", 0, RK2928_CLKGATE_CON(7), 15, GFLAGS), + GATE(PCLK_UART0, "pclk_uart0", "pclk_peri", 0, RK2928_CLKGATE_CON(8), 0, GFLAGS), + GATE(PCLK_UART1, "pclk_uart1", "pclk_peri", 0, RK2928_CLKGATE_CON(8), 1, GFLAGS), + GATE(PCLK_UART2, "pclk_uart2", "pclk_peri", 0, RK2928_CLKGATE_CON(8), 2, GFLAGS), + GATE(PCLK_I2C0, "pclk_i2c0", "pclk_peri", 0, RK2928_CLKGATE_CON(8), 4, GFLAGS), + GATE(PCLK_I2C1, "pclk_i2c1", "pclk_peri", 0, RK2928_CLKGATE_CON(8), 5, GFLAGS), + GATE(PCLK_I2C2, "pclk_i2c2", "pclk_peri", 0, RK2928_CLKGATE_CON(8), 6, GFLAGS), + GATE(PCLK_GPIO0, "pclk_gpio0", "pclk_peri", 0, RK2928_CLKGATE_CON(8), 9, GFLAGS), + GATE(PCLK_GPIO1, "pclk_gpio1", "pclk_peri", 0, RK2928_CLKGATE_CON(8), 10, GFLAGS), + GATE(PCLK_GPIO2, "pclk_gpio2", "pclk_peri", 0, RK2928_CLKGATE_CON(8), 11, GFLAGS), +}; + +static const char *const rk3036_critical_clocks[] __initconst = { + "aclk_cpu", + "aclk_peri", + "hclk_peri", + "pclk_peri", +}; + +static void __init rk3036_clk_init(struct device_node *np) +{ + void __iomem *reg_base; + struct clk *clk; + + reg_base = of_iomap(np, 0); + if (!reg_base) { + pr_err("%s: could not map cru region\n", __func__); + return; + } + + rockchip_clk_init(np, reg_base, CLK_NR_CLKS); + + /* xin12m is created by an cru-internal divider */ + clk = clk_register_fixed_factor(NULL, "xin12m", "xin24m", 0, 1, 2); + if (IS_ERR(clk)) + pr_warn("%s: could not register clock xin12m: %ld\n", + __func__, PTR_ERR(clk)); + + clk = clk_register_fixed_factor(NULL, "usb480m", "xin24m", 0, 20, 1); + if (IS_ERR(clk)) + pr_warn("%s: could not register clock usb480m: %ld\n", + __func__, PTR_ERR(clk)); + + clk = clk_register_fixed_factor(NULL, "ddrphy", "ddrphy2x", 0, 1, 2); + if (IS_ERR(clk)) + pr_warn("%s: could not register clock ddrphy: %ld\n", + __func__, PTR_ERR(clk)); + + clk = clk_register_fixed_factor(NULL, "hclk_vcodec_pre", + "aclk_vcodec", 0, 1, 4); + if (IS_ERR(clk)) + pr_warn("%s: could not register clock hclk_vcodec_pre: %ld\n", + __func__, PTR_ERR(clk)); + + clk = clk_register_fixed_factor(NULL, "sclk_macref_out", + "hclk_peri_src", 0, 1, 2); + if (IS_ERR(clk)) + pr_warn("%s: could not register clock sclk_macref_out: %ld\n", + __func__, PTR_ERR(clk)); + + rockchip_clk_register_plls(rk3036_pll_clks, + ARRAY_SIZE(rk3036_pll_clks), + RK3036_GRF_SOC_STATUS0); + rockchip_clk_register_branches(rk3036_clk_branches, + ARRAY_SIZE(rk3036_clk_branches)); + rockchip_clk_protect_critical(rk3036_critical_clocks, + ARRAY_SIZE(rk3036_critical_clocks)); + + rockchip_clk_register_armclk(ARMCLK, "armclk", + mux_armclk_p, ARRAY_SIZE(mux_armclk_p), + &rk3036_cpuclk_data, rk3036_cpuclk_rates, + ARRAY_SIZE(rk3036_cpuclk_rates)); + + rockchip_register_softrst(np, 9, reg_base + RK2928_SOFTRST_CON(0), + ROCKCHIP_SOFTRST_HIWORD_MASK); + + rockchip_register_restart_notifier(RK2928_GLB_SRST_FST, NULL); +} +CLK_OF_DECLARE(rk3036_cru, "rockchip,rk3036-cru", rk3036_clk_init); diff --git a/drivers/clk/rockchip/clk-rk3188.c b/drivers/clk/rockchip/clk-rk3188.c index abb47608713b..7f7444cbf6fc 100644 --- a/drivers/clk/rockchip/clk-rk3188.c +++ b/drivers/clk/rockchip/clk-rk3188.c @@ -247,6 +247,30 @@ static struct clk_div_table div_core_peri_t[] = { { /* sentinel */ }, }; +static struct rockchip_clk_branch common_hsadc_out_fracmux __initdata = + MUX(0, "sclk_hsadc_out", mux_sclk_hsadc_p, 0, + RK2928_CLKSEL_CON(22), 4, 2, MFLAGS); + +static struct rockchip_clk_branch common_spdif_fracmux __initdata = + MUX(SCLK_SPDIF, "sclk_spdif", mux_sclk_spdif_p, CLK_SET_RATE_PARENT, + RK2928_CLKSEL_CON(5), 8, 2, MFLAGS); + +static struct rockchip_clk_branch common_uart0_fracmux __initdata = + MUX(SCLK_UART0, "sclk_uart0", mux_sclk_uart0_p, 0, + RK2928_CLKSEL_CON(13), 8, 2, MFLAGS); + +static struct rockchip_clk_branch common_uart1_fracmux __initdata = + MUX(SCLK_UART1, "sclk_uart1", mux_sclk_uart1_p, 0, + RK2928_CLKSEL_CON(14), 8, 2, MFLAGS); + +static struct rockchip_clk_branch common_uart2_fracmux __initdata = + MUX(SCLK_UART2, "sclk_uart2", mux_sclk_uart2_p, 0, + RK2928_CLKSEL_CON(15), 8, 2, MFLAGS); + +static struct rockchip_clk_branch common_uart3_fracmux __initdata = + MUX(SCLK_UART3, "sclk_uart3", mux_sclk_uart3_p, 0, + RK2928_CLKSEL_CON(16), 8, 2, MFLAGS); + static struct rockchip_clk_branch common_clk_branches[] __initdata = { /* * Clock-Architecture Diagram 2 @@ -335,11 +359,10 @@ static struct rockchip_clk_branch common_clk_branches[] __initdata = { COMPOSITE(0, "hsadc_src", mux_pll_src_gpll_cpll_p, 0, RK2928_CLKSEL_CON(22), 0, 1, MFLAGS, 8, 8, DFLAGS, RK2928_CLKGATE_CON(2), 6, GFLAGS), - COMPOSITE_FRAC(0, "hsadc_frac", "hsadc_src", 0, + COMPOSITE_FRACMUX(0, "hsadc_frac", "hsadc_src", 0, RK2928_CLKSEL_CON(23), 0, - RK2928_CLKGATE_CON(2), 7, GFLAGS), - MUX(0, "sclk_hsadc_out", mux_sclk_hsadc_p, 0, - RK2928_CLKSEL_CON(22), 4, 2, MFLAGS), + RK2928_CLKGATE_CON(2), 7, GFLAGS, + &common_hsadc_out_fracmux), INVERTER(SCLK_HSADC, "sclk_hsadc", "sclk_hsadc_out", RK2928_CLKSEL_CON(22), 7, IFLAGS), @@ -350,11 +373,10 @@ static struct rockchip_clk_branch common_clk_branches[] __initdata = { COMPOSITE_NOMUX(0, "spdif_pre", "i2s_src", 0, RK2928_CLKSEL_CON(5), 0, 7, DFLAGS, RK2928_CLKGATE_CON(0), 13, GFLAGS), - COMPOSITE_FRAC(0, "spdif_frac", "spdif_pre", CLK_SET_RATE_PARENT, + COMPOSITE_FRACMUX(0, "spdif_frac", "spdif_pll", CLK_SET_RATE_PARENT, RK2928_CLKSEL_CON(9), 0, - RK2928_CLKGATE_CON(0), 14, GFLAGS), - MUX(SCLK_SPDIF, "sclk_spdif", mux_sclk_spdif_p, CLK_SET_RATE_PARENT, - RK2928_CLKSEL_CON(5), 8, 2, MFLAGS), + RK2928_CLKGATE_CON(0), 14, GFLAGS, + &common_spdif_fracmux), /* * Clock-Architecture Diagram 4 @@ -385,35 +407,31 @@ static struct rockchip_clk_branch common_clk_branches[] __initdata = { COMPOSITE_NOMUX(0, "uart0_pre", "uart_src", 0, RK2928_CLKSEL_CON(13), 0, 7, DFLAGS, RK2928_CLKGATE_CON(1), 8, GFLAGS), - COMPOSITE_FRAC(0, "uart0_frac", "uart0_pre", 0, + COMPOSITE_FRACMUX(0, "uart0_frac", "uart0_pre", 0, RK2928_CLKSEL_CON(17), 0, - RK2928_CLKGATE_CON(1), 9, GFLAGS), - MUX(SCLK_UART0, "sclk_uart0", mux_sclk_uart0_p, 0, - RK2928_CLKSEL_CON(13), 8, 2, MFLAGS), + RK2928_CLKGATE_CON(1), 9, GFLAGS, + &common_uart0_fracmux), COMPOSITE_NOMUX(0, "uart1_pre", "uart_src", 0, RK2928_CLKSEL_CON(14), 0, 7, DFLAGS, RK2928_CLKGATE_CON(1), 10, GFLAGS), - COMPOSITE_FRAC(0, "uart1_frac", "uart1_pre", 0, + COMPOSITE_FRACMUX(0, "uart1_frac", "uart1_pre", 0, RK2928_CLKSEL_CON(18), 0, - RK2928_CLKGATE_CON(1), 11, GFLAGS), - MUX(SCLK_UART1, "sclk_uart1", mux_sclk_uart1_p, 0, - RK2928_CLKSEL_CON(14), 8, 2, MFLAGS), + RK2928_CLKGATE_CON(1), 11, GFLAGS, + &common_uart1_fracmux), COMPOSITE_NOMUX(0, "uart2_pre", "uart_src", 0, RK2928_CLKSEL_CON(15), 0, 7, DFLAGS, RK2928_CLKGATE_CON(1), 12, GFLAGS), - COMPOSITE_FRAC(0, "uart2_frac", "uart2_pre", 0, + COMPOSITE_FRACMUX(0, "uart2_frac", "uart2_pre", 0, RK2928_CLKSEL_CON(19), 0, - RK2928_CLKGATE_CON(1), 13, GFLAGS), - MUX(SCLK_UART2, "sclk_uart2", mux_sclk_uart2_p, 0, - RK2928_CLKSEL_CON(15), 8, 2, MFLAGS), + RK2928_CLKGATE_CON(1), 13, GFLAGS, + &common_uart2_fracmux), COMPOSITE_NOMUX(0, "uart3_pre", "uart_src", 0, RK2928_CLKSEL_CON(16), 0, 7, DFLAGS, RK2928_CLKGATE_CON(1), 14, GFLAGS), - COMPOSITE_FRAC(0, "uart3_frac", "uart3_pre", 0, + COMPOSITE_FRACMUX(0, "uart3_frac", "uart3_pre", 0, RK2928_CLKSEL_CON(20), 0, - RK2928_CLKGATE_CON(1), 15, GFLAGS), - MUX(SCLK_UART3, "sclk_uart3", mux_sclk_uart3_p, 0, - RK2928_CLKSEL_CON(16), 8, 2, MFLAGS), + RK2928_CLKGATE_CON(1), 15, GFLAGS, + &common_uart3_fracmux), GATE(SCLK_JTAG, "jtag", "ext_jtag", 0, RK2928_CLKGATE_CON(1), 3, GFLAGS), @@ -523,6 +541,18 @@ static struct clk_div_table div_aclk_cpu_t[] = { { /* sentinel */ }, }; +static struct rockchip_clk_branch rk3066a_i2s0_fracmux __initdata = + MUX(SCLK_I2S0, "sclk_i2s0", mux_sclk_i2s0_p, 0, + RK2928_CLKSEL_CON(2), 8, 2, MFLAGS); + +static struct rockchip_clk_branch rk3066a_i2s1_fracmux __initdata = + MUX(SCLK_I2S1, "sclk_i2s1", mux_sclk_i2s1_p, 0, + RK2928_CLKSEL_CON(3), 8, 2, MFLAGS); + +static struct rockchip_clk_branch rk3066a_i2s2_fracmux __initdata = + MUX(SCLK_I2S2, "sclk_i2s2", mux_sclk_i2s2_p, 0, + RK2928_CLKSEL_CON(4), 8, 2, MFLAGS); + static struct rockchip_clk_branch rk3066a_clk_branches[] __initdata = { DIVTBL(0, "aclk_cpu_pre", "armclk", 0, RK2928_CLKSEL_CON(1), 0, 3, DFLAGS | CLK_DIVIDER_READ_ONLY, div_aclk_cpu_t), @@ -584,27 +614,24 @@ static struct rockchip_clk_branch rk3066a_clk_branches[] __initdata = { COMPOSITE_NOMUX(0, "i2s0_pre", "i2s_src", 0, RK2928_CLKSEL_CON(2), 0, 7, DFLAGS, RK2928_CLKGATE_CON(0), 7, GFLAGS), - COMPOSITE_FRAC(0, "i2s0_frac", "i2s0_pre", 0, + COMPOSITE_FRACMUX(0, "i2s0_frac", "i2s0_pre", 0, RK2928_CLKSEL_CON(6), 0, - RK2928_CLKGATE_CON(0), 8, GFLAGS), - MUX(SCLK_I2S0, "sclk_i2s0", mux_sclk_i2s0_p, 0, - RK2928_CLKSEL_CON(2), 8, 2, MFLAGS), + RK2928_CLKGATE_CON(0), 8, GFLAGS, + &rk3066a_i2s0_fracmux), COMPOSITE_NOMUX(0, "i2s1_pre", "i2s_src", 0, RK2928_CLKSEL_CON(3), 0, 7, DFLAGS, RK2928_CLKGATE_CON(0), 9, GFLAGS), - COMPOSITE_FRAC(0, "i2s1_frac", "i2s1_pre", 0, + COMPOSITE_FRACMUX(0, "i2s1_frac", "i2s1_pre", 0, RK2928_CLKSEL_CON(7), 0, - RK2928_CLKGATE_CON(0), 10, GFLAGS), - MUX(SCLK_I2S1, "sclk_i2s1", mux_sclk_i2s1_p, 0, - RK2928_CLKSEL_CON(3), 8, 2, MFLAGS), + RK2928_CLKGATE_CON(0), 10, GFLAGS, + &rk3066a_i2s1_fracmux), COMPOSITE_NOMUX(0, "i2s2_pre", "i2s_src", 0, RK2928_CLKSEL_CON(4), 0, 7, DFLAGS, RK2928_CLKGATE_CON(0), 11, GFLAGS), - COMPOSITE_FRAC(0, "i2s2_frac", "i2s2_pre", 0, + COMPOSITE_FRACMUX(0, "i2s2_frac", "i2s2_pre", 0, RK2928_CLKSEL_CON(8), 0, - RK2928_CLKGATE_CON(0), 12, GFLAGS), - MUX(SCLK_I2S2, "sclk_i2s2", mux_sclk_i2s2_p, 0, - RK2928_CLKSEL_CON(4), 8, 2, MFLAGS), + RK2928_CLKGATE_CON(0), 12, GFLAGS, + &rk3066a_i2s2_fracmux), GATE(HCLK_I2S1, "hclk_i2s1", "hclk_cpu", 0, RK2928_CLKGATE_CON(7), 3, GFLAGS), GATE(HCLK_I2S2, "hclk_i2s2", "hclk_cpu", 0, RK2928_CLKGATE_CON(7), 4, GFLAGS), @@ -638,6 +665,10 @@ static struct clk_div_table div_rk3188_aclk_core_t[] = { PNAME(mux_hsicphy_p) = { "sclk_otgphy0", "sclk_otgphy1", "gpll", "cpll" }; +static struct rockchip_clk_branch rk3188_i2s0_fracmux __initdata = + MUX(SCLK_I2S0, "sclk_i2s0", mux_sclk_i2s0_p, 0, + RK2928_CLKSEL_CON(3), 8, 2, MFLAGS); + static struct rockchip_clk_branch rk3188_clk_branches[] __initdata = { COMPOSITE_NOMUX_DIVTBL(0, "aclk_core", "armclk", CLK_IGNORE_UNUSED, RK2928_CLKSEL_CON(1), 3, 3, DFLAGS | CLK_DIVIDER_READ_ONLY, @@ -691,11 +722,10 @@ static struct rockchip_clk_branch rk3188_clk_branches[] __initdata = { COMPOSITE_NOMUX(0, "i2s0_pre", "i2s_src", 0, RK2928_CLKSEL_CON(3), 0, 7, DFLAGS, RK2928_CLKGATE_CON(0), 9, GFLAGS), - COMPOSITE_FRAC(0, "i2s0_frac", "i2s0_pre", 0, + COMPOSITE_FRACMUX(0, "i2s0_frac", "i2s0_pre", 0, RK2928_CLKSEL_CON(7), 0, - RK2928_CLKGATE_CON(0), 10, GFLAGS), - MUX(SCLK_I2S0, "sclk_i2s0", mux_sclk_i2s0_p, 0, - RK2928_CLKSEL_CON(3), 8, 2, MFLAGS), + RK2928_CLKGATE_CON(0), 10, GFLAGS, + &rk3188_i2s0_fracmux), GATE(0, "hclk_imem0", "hclk_cpu", 0, RK2928_CLKGATE_CON(4), 14, GFLAGS), GATE(0, "hclk_imem1", "hclk_cpu", 0, RK2928_CLKGATE_CON(4), 15, GFLAGS), @@ -750,7 +780,7 @@ static void __init rk3188_common_clk_init(struct device_node *np) rockchip_register_softrst(np, 9, reg_base + RK2928_SOFTRST_CON(0), ROCKCHIP_SOFTRST_HIWORD_MASK); - rockchip_register_restart_notifier(RK2928_GLB_SRST_FST); + rockchip_register_restart_notifier(RK2928_GLB_SRST_FST, NULL); } static void __init rk3066a_clk_init(struct device_node *np) diff --git a/drivers/clk/rockchip/clk-rk3228.c b/drivers/clk/rockchip/clk-rk3228.c new file mode 100644 index 000000000000..981a50205339 --- /dev/null +++ b/drivers/clk/rockchip/clk-rk3228.c @@ -0,0 +1,678 @@ +/* + * Copyright (c) 2015 Rockchip Electronics Co. Ltd. + * Author: Xing Zheng <zhengxing@rock-chips.com> + * Jeffy Chen <jeffy.chen@rock-chips.com> + * + * This program is free software; you can redistribute it and/or modify + * it under the terms of the GNU General Public License as published by + * the Free Software Foundation; either version 2 of the License, or + * (at your option) any later version. + * + * This program is distributed in the hope that it will be useful, + * but WITHOUT ANY WARRANTY; without even the implied warranty of + * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the + * GNU General Public License for more details. + */ + +#include <linux/clk-provider.h> +#include <linux/of.h> +#include <linux/of_address.h> +#include <linux/syscore_ops.h> +#include <dt-bindings/clock/rk3228-cru.h> +#include "clk.h" + +#define RK3228_GRF_SOC_STATUS0 0x480 + +enum rk3228_plls { + apll, dpll, cpll, gpll, +}; + +static struct rockchip_pll_rate_table rk3228_pll_rates[] = { + /* _mhz, _refdiv, _fbdiv, _postdiv1, _postdiv2, _dsmpd, _frac */ + RK3036_PLL_RATE(1608000000, 1, 67, 1, 1, 1, 0), + RK3036_PLL_RATE(1584000000, 1, 66, 1, 1, 1, 0), + RK3036_PLL_RATE(1560000000, 1, 65, 1, 1, 1, 0), + RK3036_PLL_RATE(1536000000, 1, 64, 1, 1, 1, 0), + RK3036_PLL_RATE(1512000000, 1, 63, 1, 1, 1, 0), + RK3036_PLL_RATE(1488000000, 1, 62, 1, 1, 1, 0), + RK3036_PLL_RATE(1464000000, 1, 61, 1, 1, 1, 0), + RK3036_PLL_RATE(1440000000, 1, 60, 1, 1, 1, 0), + RK3036_PLL_RATE(1416000000, 1, 59, 1, 1, 1, 0), + RK3036_PLL_RATE(1392000000, 1, 58, 1, 1, 1, 0), + RK3036_PLL_RATE(1368000000, 1, 57, 1, 1, 1, 0), + RK3036_PLL_RATE(1344000000, 1, 56, 1, 1, 1, 0), + RK3036_PLL_RATE(1320000000, 1, 55, 1, 1, 1, 0), + RK3036_PLL_RATE(1296000000, 1, 54, 1, 1, 1, 0), + RK3036_PLL_RATE(1272000000, 1, 53, 1, 1, 1, 0), + RK3036_PLL_RATE(1248000000, 1, 52, 1, 1, 1, 0), + RK3036_PLL_RATE(1200000000, 1, 50, 1, 1, 1, 0), + RK3036_PLL_RATE(1188000000, 2, 99, 1, 1, 1, 0), + RK3036_PLL_RATE(1104000000, 1, 46, 1, 1, 1, 0), + RK3036_PLL_RATE(1100000000, 12, 550, 1, 1, 1, 0), + RK3036_PLL_RATE(1008000000, 1, 84, 2, 1, 1, 0), + RK3036_PLL_RATE(1000000000, 6, 500, 2, 1, 1, 0), + RK3036_PLL_RATE( 984000000, 1, 82, 2, 1, 1, 0), + RK3036_PLL_RATE( 960000000, 1, 80, 2, 1, 1, 0), + RK3036_PLL_RATE( 936000000, 1, 78, 2, 1, 1, 0), + RK3036_PLL_RATE( 912000000, 1, 76, 2, 1, 1, 0), + RK3036_PLL_RATE( 900000000, 4, 300, 2, 1, 1, 0), + RK3036_PLL_RATE( 888000000, 1, 74, 2, 1, 1, 0), + RK3036_PLL_RATE( 864000000, 1, 72, 2, 1, 1, 0), + RK3036_PLL_RATE( 840000000, 1, 70, 2, 1, 1, 0), + RK3036_PLL_RATE( 816000000, 1, 68, 2, 1, 1, 0), + RK3036_PLL_RATE( 800000000, 6, 400, 2, 1, 1, 0), + RK3036_PLL_RATE( 700000000, 6, 350, 2, 1, 1, 0), + RK3036_PLL_RATE( 696000000, 1, 58, 2, 1, 1, 0), + RK3036_PLL_RATE( 600000000, 1, 75, 3, 1, 1, 0), + RK3036_PLL_RATE( 594000000, 2, 99, 2, 1, 1, 0), + RK3036_PLL_RATE( 504000000, 1, 63, 3, 1, 1, 0), + RK3036_PLL_RATE( 500000000, 6, 250, 2, 1, 1, 0), + RK3036_PLL_RATE( 408000000, 1, 68, 2, 2, 1, 0), + RK3036_PLL_RATE( 312000000, 1, 52, 2, 2, 1, 0), + RK3036_PLL_RATE( 216000000, 1, 72, 4, 2, 1, 0), + RK3036_PLL_RATE( 96000000, 1, 64, 4, 4, 1, 0), + { /* sentinel */ }, +}; + +#define RK3228_DIV_CPU_MASK 0x1f +#define RK3228_DIV_CPU_SHIFT 8 + +#define RK3228_DIV_PERI_MASK 0xf +#define RK3228_DIV_PERI_SHIFT 0 +#define RK3228_DIV_ACLK_MASK 0x7 +#define RK3228_DIV_ACLK_SHIFT 4 +#define RK3228_DIV_HCLK_MASK 0x3 +#define RK3228_DIV_HCLK_SHIFT 8 +#define RK3228_DIV_PCLK_MASK 0x7 +#define RK3228_DIV_PCLK_SHIFT 12 + +#define RK3228_CLKSEL1(_core_peri_div) \ + { \ + .reg = RK2928_CLKSEL_CON(1), \ + .val = HIWORD_UPDATE(_core_peri_div, RK3228_DIV_PERI_MASK, \ + RK3228_DIV_PERI_SHIFT) \ + } + +#define RK3228_CPUCLK_RATE(_prate, _core_peri_div) \ + { \ + .prate = _prate, \ + .divs = { \ + RK3228_CLKSEL1(_core_peri_div), \ + }, \ + } + +static struct rockchip_cpuclk_rate_table rk3228_cpuclk_rates[] __initdata = { + RK3228_CPUCLK_RATE(816000000, 4), + RK3228_CPUCLK_RATE(600000000, 4), + RK3228_CPUCLK_RATE(312000000, 4), +}; + +static const struct rockchip_cpuclk_reg_data rk3228_cpuclk_data = { + .core_reg = RK2928_CLKSEL_CON(0), + .div_core_shift = 0, + .div_core_mask = 0x1f, + .mux_core_shift = 6, +}; + +PNAME(mux_pll_p) = { "clk_24m", "xin24m" }; + +PNAME(mux_ddrphy_p) = { "dpll_ddr", "gpll_ddr", "apll_ddr" }; +PNAME(mux_armclk_p) = { "apll_core", "gpll_core", "dpll_core" }; +PNAME(mux_usb480m_phy_p) = { "usb480m_phy0", "usb480m_phy1" }; +PNAME(mux_usb480m_p) = { "usb480m_phy", "xin24m" }; +PNAME(mux_hdmiphy_p) = { "hdmiphy_phy", "xin24m" }; +PNAME(mux_aclk_cpu_src_p) = { "cpll_aclk_cpu", "gpll_aclk_cpu", "hdmiphy_aclk_cpu" }; + +PNAME(mux_pll_src_4plls_p) = { "cpll", "gpll", "hdmiphy" "usb480m" }; +PNAME(mux_pll_src_3plls_p) = { "cpll", "gpll", "hdmiphy" }; +PNAME(mux_pll_src_2plls_p) = { "cpll", "gpll" }; +PNAME(mux_sclk_hdmi_cec_p) = { "cpll", "gpll", "xin24m" }; +PNAME(mux_aclk_peri_src_p) = { "cpll_peri", "gpll_peri", "hdmiphy_peri" }; +PNAME(mux_mmc_src_p) = { "cpll", "gpll", "xin24m", "usb480m" }; +PNAME(mux_pll_src_cpll_gpll_usb480m_p) = { "cpll", "gpll", "usb480m" }; + +PNAME(mux_sclk_rga_p) = { "gpll", "cpll", "sclk_rga_src" }; + +PNAME(mux_sclk_vop_src_p) = { "gpll_vop", "cpll_vop" }; +PNAME(mux_dclk_vop_p) = { "hdmiphy", "sclk_vop_pre" }; + +PNAME(mux_i2s0_p) = { "i2s0_src", "i2s0_frac", "ext_i2s", "xin12m" }; +PNAME(mux_i2s1_pre_p) = { "i2s1_src", "i2s1_frac", "ext_i2s", "xin12m" }; +PNAME(mux_i2s_out_p) = { "i2s1_pre", "xin12m" }; +PNAME(mux_i2s2_p) = { "i2s2_src", "i2s2_frac", "xin12m" }; +PNAME(mux_sclk_spdif_p) = { "sclk_spdif_src", "spdif_frac", "xin12m" }; + +PNAME(mux_aclk_gpu_pre_p) = { "cpll_gpu", "gpll_gpu", "hdmiphy_gpu", "usb480m_gpu" }; + +PNAME(mux_uart0_p) = { "uart0_src", "uart0_frac", "xin24m" }; +PNAME(mux_uart1_p) = { "uart1_src", "uart1_frac", "xin24m" }; +PNAME(mux_uart2_p) = { "uart2_src", "uart2_frac", "xin24m" }; + +PNAME(mux_sclk_macphy_50m_p) = { "ext_gmac", "phy_50m_out" }; +PNAME(mux_sclk_gmac_pre_p) = { "sclk_gmac_src", "sclk_macphy_50m" }; +PNAME(mux_sclk_macphy_p) = { "sclk_gmac_src", "ext_gmac" }; + +static struct rockchip_pll_clock rk3228_pll_clks[] __initdata = { + [apll] = PLL(pll_rk3036, PLL_APLL, "apll", mux_pll_p, 0, RK2928_PLL_CON(0), + RK2928_MODE_CON, 0, 7, 0, rk3228_pll_rates), + [dpll] = PLL(pll_rk3036, PLL_DPLL, "dpll", mux_pll_p, 0, RK2928_PLL_CON(3), + RK2928_MODE_CON, 4, 6, 0, NULL), + [cpll] = PLL(pll_rk3036, PLL_CPLL, "cpll", mux_pll_p, 0, RK2928_PLL_CON(6), + RK2928_MODE_CON, 8, 8, 0, NULL), + [gpll] = PLL(pll_rk3036, PLL_GPLL, "gpll", mux_pll_p, 0, RK2928_PLL_CON(9), + RK2928_MODE_CON, 12, 9, ROCKCHIP_PLL_SYNC_RATE, rk3228_pll_rates), +}; + +#define MFLAGS CLK_MUX_HIWORD_MASK +#define DFLAGS CLK_DIVIDER_HIWORD_MASK +#define GFLAGS (CLK_GATE_HIWORD_MASK | CLK_GATE_SET_TO_DISABLE) + +static struct rockchip_clk_branch rk3228_clk_branches[] __initdata = { + /* + * Clock-Architecture Diagram 1 + */ + + DIV(0, "clk_24m", "xin24m", CLK_IGNORE_UNUSED, + RK2928_CLKSEL_CON(4), 8, 5, DFLAGS), + + /* PD_DDR */ + GATE(0, "apll_ddr", "apll", CLK_IGNORE_UNUSED, + RK2928_CLKGATE_CON(0), 2, GFLAGS), + GATE(0, "dpll_ddr", "dpll", CLK_IGNORE_UNUSED, + RK2928_CLKGATE_CON(0), 2, GFLAGS), + GATE(0, "gpll_ddr", "gpll", CLK_IGNORE_UNUSED, + RK2928_CLKGATE_CON(0), 2, GFLAGS), + COMPOSITE(0, "ddrphy4x", mux_ddrphy_p, CLK_IGNORE_UNUSED, + RK2928_CLKSEL_CON(26), 8, 2, MFLAGS, 0, 3, DFLAGS | CLK_DIVIDER_POWER_OF_TWO, + RK2928_CLKGATE_CON(7), 1, GFLAGS), + GATE(0, "ddrc", "ddrphy_pre", CLK_IGNORE_UNUSED, + RK2928_CLKGATE_CON(8), 5, GFLAGS), + GATE(0, "ddrphy", "ddrphy_pre", CLK_IGNORE_UNUSED, + RK2928_CLKGATE_CON(7), 0, GFLAGS), + + /* PD_CORE */ + GATE(0, "dpll_core", "dpll", CLK_IGNORE_UNUSED, + RK2928_CLKGATE_CON(0), 6, GFLAGS), + GATE(0, "apll_core", "apll", CLK_IGNORE_UNUSED, + RK2928_CLKGATE_CON(0), 6, GFLAGS), + GATE(0, "gpll_core", "gpll", CLK_IGNORE_UNUSED, + RK2928_CLKGATE_CON(0), 6, GFLAGS), + COMPOSITE_NOMUX(0, "pclk_dbg", "armclk", CLK_IGNORE_UNUSED, + RK2928_CLKSEL_CON(1), 0, 4, DFLAGS | CLK_DIVIDER_READ_ONLY, + RK2928_CLKGATE_CON(4), 1, GFLAGS), + COMPOSITE_NOMUX(0, "armcore", "armclk", CLK_IGNORE_UNUSED, + RK2928_CLKSEL_CON(1), 4, 3, DFLAGS | CLK_DIVIDER_READ_ONLY, + RK2928_CLKGATE_CON(4), 0, GFLAGS), + + /* PD_MISC */ + MUX(0, "hdmiphy", mux_hdmiphy_p, CLK_SET_RATE_PARENT, + RK2928_MISC_CON, 13, 1, MFLAGS), + MUX(0, "usb480m_phy", mux_usb480m_phy_p, CLK_SET_RATE_PARENT, + RK2928_MISC_CON, 14, 1, MFLAGS), + MUX(0, "usb480m", mux_usb480m_p, CLK_SET_RATE_PARENT, + RK2928_MISC_CON, 15, 1, MFLAGS), + + /* PD_BUS */ + GATE(0, "hdmiphy_aclk_cpu", "hdmiphy", CLK_IGNORE_UNUSED, + RK2928_CLKGATE_CON(0), 1, GFLAGS), + GATE(0, "gpll_aclk_cpu", "gpll", CLK_IGNORE_UNUSED, + RK2928_CLKGATE_CON(0), 1, GFLAGS), + GATE(0, "cpll_aclk_cpu", "cpll", CLK_IGNORE_UNUSED, + RK2928_CLKGATE_CON(0), 1, GFLAGS), + COMPOSITE_NOGATE(0, "aclk_cpu_src", mux_aclk_cpu_src_p, 0, + RK2928_CLKSEL_CON(0), 13, 2, MFLAGS, 8, 5, DFLAGS), + GATE(ARMCLK, "aclk_cpu", "aclk_cpu_src", 0, + RK2928_CLKGATE_CON(6), 0, GFLAGS), + COMPOSITE_NOMUX(0, "hclk_cpu", "aclk_cpu_src", 0, + RK2928_CLKSEL_CON(1), 8, 2, DFLAGS, + RK2928_CLKGATE_CON(6), 1, GFLAGS), + COMPOSITE_NOMUX(0, "pclk_bus_src", "aclk_cpu_src", 0, + RK2928_CLKSEL_CON(1), 12, 3, DFLAGS, + RK2928_CLKGATE_CON(6), 2, GFLAGS), + GATE(0, "pclk_cpu", "pclk_bus_src", 0, + RK2928_CLKGATE_CON(6), 3, GFLAGS), + GATE(0, "pclk_phy_pre", "pclk_bus_src", 0, + RK2928_CLKGATE_CON(6), 4, GFLAGS), + GATE(0, "pclk_ddr_pre", "pclk_bus_src", 0, + RK2928_CLKGATE_CON(6), 13, GFLAGS), + + /* PD_VIDEO */ + COMPOSITE(0, "aclk_vpu_pre", mux_pll_src_4plls_p, 0, + RK2928_CLKSEL_CON(32), 5, 2, MFLAGS, 0, 5, DFLAGS, + RK2928_CLKGATE_CON(3), 11, GFLAGS), + GATE(0, "hclk_vpu_src", "aclk_vpu_pre", 0, + RK2928_CLKGATE_CON(4), 4, GFLAGS), + + COMPOSITE(0, "aclk_rkvdec_pre", mux_pll_src_4plls_p, 0, + RK2928_CLKSEL_CON(28), 6, 2, MFLAGS, 0, 5, DFLAGS, + RK2928_CLKGATE_CON(3), 2, GFLAGS), + GATE(0, "hclk_rkvdec_src", "aclk_rkvdec_pre", 0, + RK2928_CLKGATE_CON(4), 5, GFLAGS), + + COMPOSITE(0, "sclk_vdec_cabac", mux_pll_src_4plls_p, 0, + RK2928_CLKSEL_CON(28), 14, 2, MFLAGS, 8, 5, DFLAGS, + RK2928_CLKGATE_CON(3), 3, GFLAGS), + + COMPOSITE(0, "sclk_vdec_core", mux_pll_src_4plls_p, 0, + RK2928_CLKSEL_CON(34), 13, 2, MFLAGS, 8, 5, DFLAGS, + RK2928_CLKGATE_CON(3), 4, GFLAGS), + + /* PD_VIO */ + COMPOSITE(0, "aclk_iep_pre", mux_pll_src_4plls_p, 0, + RK2928_CLKSEL_CON(31), 5, 2, MFLAGS, 0, 5, DFLAGS, + RK2928_CLKGATE_CON(3), 0, GFLAGS), + DIV(0, "hclk_vio_pre", "aclk_iep_pre", 0, + RK2928_CLKSEL_CON(2), 0, 5, DFLAGS), + + COMPOSITE(0, "aclk_hdcp_pre", mux_pll_src_4plls_p, 0, + RK2928_CLKSEL_CON(31), 13, 2, MFLAGS, 8, 5, DFLAGS, + RK2928_CLKGATE_CON(1), 4, GFLAGS), + + MUX(0, "sclk_rga_src", mux_pll_src_4plls_p, 0, + RK2928_CLKSEL_CON(33), 13, 2, MFLAGS), + COMPOSITE_NOMUX(0, "aclk_rga_pre", "sclk_rga_src", 0, + RK2928_CLKSEL_CON(33), 8, 5, DFLAGS, + RK2928_CLKGATE_CON(1), 2, GFLAGS), + COMPOSITE(0, "sclk_rga", mux_sclk_rga_p, 0, + RK2928_CLKSEL_CON(22), 5, 2, MFLAGS, 0, 5, DFLAGS, + RK2928_CLKGATE_CON(3), 6, GFLAGS), + + COMPOSITE(0, "aclk_vop_pre", mux_pll_src_4plls_p, 0, + RK2928_CLKSEL_CON(33), 5, 2, MFLAGS, 0, 5, DFLAGS, + RK2928_CLKGATE_CON(1), 1, GFLAGS), + + COMPOSITE(0, "sclk_hdcp", mux_pll_src_3plls_p, 0, + RK2928_CLKSEL_CON(23), 14, 2, MFLAGS, 8, 6, DFLAGS, + RK2928_CLKGATE_CON(3), 5, GFLAGS), + + GATE(0, "sclk_hdmi_hdcp", "xin24m", 0, + RK2928_CLKGATE_CON(3), 7, GFLAGS), + + COMPOSITE(0, "sclk_hdmi_cec", mux_sclk_hdmi_cec_p, 0, + RK2928_CLKSEL_CON(21), 14, 2, MFLAGS, 0, 14, DFLAGS, + RK2928_CLKGATE_CON(3), 8, GFLAGS), + + /* PD_PERI */ + GATE(0, "cpll_peri", "cpll", CLK_IGNORE_UNUSED, + RK2928_CLKGATE_CON(2), 0, GFLAGS), + GATE(0, "gpll_peri", "gpll", CLK_IGNORE_UNUSED, + RK2928_CLKGATE_CON(2), 0, GFLAGS), + GATE(0, "hdmiphy_peri", "hdmiphy", CLK_IGNORE_UNUSED, + RK2928_CLKGATE_CON(2), 0, GFLAGS), + COMPOSITE_NOGATE(0, "aclk_peri_src", mux_aclk_peri_src_p, 0, + RK2928_CLKSEL_CON(10), 10, 2, MFLAGS, 0, 5, DFLAGS), + COMPOSITE_NOMUX(PCLK_PERI, "pclk_peri", "aclk_peri_src", 0, + RK2928_CLKSEL_CON(10), 12, 3, DFLAGS, + RK2928_CLKGATE_CON(5), 2, GFLAGS), + COMPOSITE_NOMUX(HCLK_PERI, "hclk_peri", "aclk_peri_src", 0, + RK2928_CLKSEL_CON(10), 8, 2, DFLAGS, + RK2928_CLKGATE_CON(5), 1, GFLAGS), + GATE(ACLK_PERI, "aclk_peri", "aclk_peri_src", 0, + RK2928_CLKGATE_CON(5), 0, GFLAGS), + + GATE(SCLK_TIMER0, "sclk_timer0", "xin24m", 0, + RK2928_CLKGATE_CON(6), 5, GFLAGS), + GATE(SCLK_TIMER1, "sclk_timer1", "xin24m", 0, + RK2928_CLKGATE_CON(6), 6, GFLAGS), + GATE(SCLK_TIMER2, "sclk_timer2", "xin24m", 0, + RK2928_CLKGATE_CON(6), 7, GFLAGS), + GATE(SCLK_TIMER3, "sclk_timer3", "xin24m", 0, + RK2928_CLKGATE_CON(6), 8, GFLAGS), + GATE(SCLK_TIMER4, "sclk_timer4", "xin24m", 0, + RK2928_CLKGATE_CON(6), 9, GFLAGS), + GATE(SCLK_TIMER5, "sclk_timer5", "xin24m", 0, + RK2928_CLKGATE_CON(6), 10, GFLAGS), + + COMPOSITE(0, "sclk_crypto", mux_pll_src_2plls_p, 0, + RK2928_CLKSEL_CON(24), 5, 1, MFLAGS, 0, 5, DFLAGS, + RK2928_CLKGATE_CON(2), 7, GFLAGS), + + COMPOSITE(0, "sclk_tsp", mux_pll_src_2plls_p, 0, + RK2928_CLKSEL_CON(22), 15, 1, MFLAGS, 8, 5, DFLAGS, + RK2928_CLKGATE_CON(2), 6, GFLAGS), + + GATE(0, "sclk_hsadc", "ext_hsadc", 0, + RK3288_CLKGATE_CON(10), 12, GFLAGS), + + COMPOSITE(0, "sclk_wifi", mux_pll_src_cpll_gpll_usb480m_p, 0, + RK2928_CLKSEL_CON(23), 5, 2, MFLAGS, 0, 6, DFLAGS, + RK2928_CLKGATE_CON(2), 15, GFLAGS), + + COMPOSITE(SCLK_SDMMC, "sclk_sdmmc0", mux_mmc_src_p, 0, + RK2928_CLKSEL_CON(11), 8, 2, MFLAGS, 0, 8, DFLAGS, + RK2928_CLKGATE_CON(2), 11, GFLAGS), + + COMPOSITE_NODIV(0, "sclk_sdio_src", mux_mmc_src_p, 0, + RK2928_CLKSEL_CON(11), 10, 2, MFLAGS, + RK2928_CLKGATE_CON(2), 13, GFLAGS), + DIV(SCLK_SDIO, "sclk_sdio", "sclk_sdio_src", 0, + RK2928_CLKSEL_CON(12), 0, 8, DFLAGS), + + COMPOSITE_NODIV(0, "sclk_emmc_src", mux_mmc_src_p, 0, + RK2928_CLKSEL_CON(11), 12, 2, MFLAGS, + RK2928_CLKGATE_CON(2), 14, GFLAGS), + DIV(SCLK_EMMC, "sclk_emmc", "sclk_emmc_src", 0, + RK2928_CLKSEL_CON(12), 8, 8, DFLAGS), + + /* + * Clock-Architecture Diagram 2 + */ + + GATE(0, "gpll_vop", "gpll", 0, + RK2928_CLKGATE_CON(3), 1, GFLAGS), + GATE(0, "cpll_vop", "cpll", 0, + RK2928_CLKGATE_CON(3), 1, GFLAGS), + MUX(0, "sclk_vop_src", mux_sclk_vop_src_p, 0, + RK2928_CLKSEL_CON(27), 0, 1, MFLAGS), + DIV(0, "dclk_hdmiphy", "sclk_vop_src", 0, + RK2928_CLKSEL_CON(29), 0, 3, DFLAGS), + DIV(0, "sclk_vop_pre", "sclk_vop_src", 0, + RK2928_CLKSEL_CON(27), 8, 8, DFLAGS), + MUX(0, "dclk_vop", mux_dclk_vop_p, 0, + RK2928_CLKSEL_CON(27), 1, 1, MFLAGS), + + COMPOSITE(0, "i2s0_src", mux_pll_src_2plls_p, 0, + RK2928_CLKSEL_CON(9), 15, 1, MFLAGS, 0, 7, DFLAGS, + RK2928_CLKGATE_CON(0), 3, GFLAGS), + COMPOSITE_FRAC(0, "i2s0_frac", "i2s0_src", CLK_SET_RATE_PARENT, + RK3288_CLKSEL_CON(8), 0, + RK3288_CLKGATE_CON(0), 4, GFLAGS), + COMPOSITE_NODIV(SCLK_I2S0, "sclk_i2s0", mux_i2s0_p, 0, + RK2928_CLKSEL_CON(9), 8, 2, MFLAGS, + RK2928_CLKGATE_CON(0), 5, GFLAGS), + + COMPOSITE(0, "i2s1_src", mux_pll_src_2plls_p, 0, + RK2928_CLKSEL_CON(3), 15, 1, MFLAGS, 0, 7, DFLAGS, + RK2928_CLKGATE_CON(0), 10, GFLAGS), + COMPOSITE_FRAC(0, "i2s1_frac", "i2s1_src", CLK_SET_RATE_PARENT, + RK3288_CLKSEL_CON(7), 0, + RK3288_CLKGATE_CON(0), 11, GFLAGS), + MUX(0, "i2s1_pre", mux_i2s1_pre_p, 0, + RK2928_CLKSEL_CON(3), 8, 2, MFLAGS), + GATE(SCLK_I2S1, "sclk_i2s1", "i2s1_pre", 0, + RK2928_CLKGATE_CON(0), 14, GFLAGS), + COMPOSITE_NODIV(SCLK_I2S_OUT, "i2s_out", mux_i2s_out_p, 0, + RK2928_CLKSEL_CON(3), 12, 1, MFLAGS, + RK2928_CLKGATE_CON(0), 13, GFLAGS), + + COMPOSITE(0, "i2s2_src", mux_pll_src_2plls_p, 0, + RK2928_CLKSEL_CON(16), 15, 1, MFLAGS, 0, 7, DFLAGS, + RK2928_CLKGATE_CON(0), 7, GFLAGS), + COMPOSITE_FRAC(0, "i2s2_frac", "i2s2_src", CLK_SET_RATE_PARENT, + RK3288_CLKSEL_CON(30), 0, + RK3288_CLKGATE_CON(0), 8, GFLAGS), + COMPOSITE_NODIV(SCLK_I2S2, "sclk_i2s2", mux_i2s2_p, 0, + RK2928_CLKSEL_CON(16), 8, 2, MFLAGS, + RK2928_CLKGATE_CON(0), 9, GFLAGS), + + COMPOSITE(0, "sclk_spdif_src", mux_pll_src_2plls_p, 0, + RK2928_CLKSEL_CON(6), 15, 1, MFLAGS, 0, 7, DFLAGS, + RK2928_CLKGATE_CON(2), 10, GFLAGS), + COMPOSITE_FRAC(0, "spdif_frac", "sclk_spdif_src", CLK_SET_RATE_PARENT, + RK3288_CLKSEL_CON(20), 0, + RK3288_CLKGATE_CON(2), 12, GFLAGS), + MUX(SCLK_SPDIF, "sclk_spdif", mux_sclk_spdif_p, 0, + RK2928_CLKSEL_CON(6), 8, 2, MFLAGS), + + GATE(0, "jtag", "ext_jtag", 0, + RK2928_CLKGATE_CON(1), 3, GFLAGS), + + GATE(0, "sclk_otgphy0", "xin24m", 0, + RK2928_CLKGATE_CON(1), 5, GFLAGS), + GATE(0, "sclk_otgphy1", "xin24m", 0, + RK2928_CLKGATE_CON(1), 6, GFLAGS), + + COMPOSITE_NOMUX(0, "sclk_tsadc", "xin24m", 0, + RK2928_CLKSEL_CON(24), 6, 10, DFLAGS, + RK2928_CLKGATE_CON(2), 8, GFLAGS), + + GATE(0, "cpll_gpu", "cpll", 0, + RK2928_CLKGATE_CON(3), 13, GFLAGS), + GATE(0, "gpll_gpu", "gpll", 0, + RK2928_CLKGATE_CON(3), 13, GFLAGS), + GATE(0, "hdmiphy_gpu", "hdmiphy", 0, + RK2928_CLKGATE_CON(3), 13, GFLAGS), + GATE(0, "usb480m_gpu", "usb480m", 0, + RK2928_CLKGATE_CON(3), 13, GFLAGS), + COMPOSITE_NOGATE(0, "aclk_gpu_pre", mux_aclk_gpu_pre_p, 0, + RK2928_CLKSEL_CON(34), 5, 2, MFLAGS, 0, 5, DFLAGS), + + COMPOSITE(SCLK_SPI0, "sclk_spi0", mux_pll_src_2plls_p, 0, + RK2928_CLKSEL_CON(25), 8, 1, MFLAGS, 0, 7, DFLAGS, + RK2928_CLKGATE_CON(2), 9, GFLAGS), + + /* PD_UART */ + COMPOSITE(0, "uart0_src", mux_pll_src_cpll_gpll_usb480m_p, 0, + RK2928_CLKSEL_CON(13), 12, 2, MFLAGS, 0, 7, DFLAGS, + RK2928_CLKGATE_CON(1), 8, GFLAGS), + COMPOSITE(0, "uart1_src", mux_pll_src_cpll_gpll_usb480m_p, 0, + RK2928_CLKSEL_CON(14), 12, 2, MFLAGS, 0, 7, DFLAGS, + RK2928_CLKGATE_CON(1), 10, GFLAGS), + COMPOSITE(0, "uart2_src", mux_pll_src_cpll_gpll_usb480m_p, + 0, RK2928_CLKSEL_CON(15), 12, 2, + MFLAGS, 0, 7, DFLAGS, RK2928_CLKGATE_CON(1), 12, GFLAGS), + COMPOSITE_FRAC(0, "uart0_frac", "uart0_src", CLK_SET_RATE_PARENT, + RK2928_CLKSEL_CON(17), 0, + RK2928_CLKGATE_CON(1), 9, GFLAGS), + COMPOSITE_FRAC(0, "uart1_frac", "uart1_src", CLK_SET_RATE_PARENT, + RK2928_CLKSEL_CON(18), 0, + RK2928_CLKGATE_CON(1), 11, GFLAGS), + COMPOSITE_FRAC(0, "uart2_frac", "uart2_src", CLK_SET_RATE_PARENT, + RK2928_CLKSEL_CON(19), 0, + RK2928_CLKGATE_CON(1), 13, GFLAGS), + MUX(SCLK_UART0, "sclk_uart0", mux_uart0_p, CLK_SET_RATE_PARENT, + RK2928_CLKSEL_CON(13), 8, 2, MFLAGS), + MUX(SCLK_UART1, "sclk_uart1", mux_uart1_p, CLK_SET_RATE_PARENT, + RK2928_CLKSEL_CON(14), 8, 2, MFLAGS), + MUX(SCLK_UART2, "sclk_uart2", mux_uart2_p, CLK_SET_RATE_PARENT, + RK2928_CLKSEL_CON(15), 8, 2, MFLAGS), + + COMPOSITE(SCLK_NANDC, "sclk_nandc", mux_pll_src_2plls_p, 0, + RK2928_CLKSEL_CON(2), 14, 1, MFLAGS, 8, 5, DFLAGS, + RK2928_CLKGATE_CON(1), 0, GFLAGS), + + COMPOSITE(0, "sclk_gmac_src", mux_pll_src_2plls_p, 0, + RK2928_CLKSEL_CON(5), 7, 1, MFLAGS, 0, 5, DFLAGS, + RK2928_CLKGATE_CON(1), 7, GFLAGS), + MUX(0, "sclk_macphy_50m", mux_sclk_macphy_50m_p, 0, + RK2928_CLKSEL_CON(29), 10, 1, MFLAGS), + MUX(0, "sclk_gmac_pre", mux_sclk_gmac_pre_p, 0, + RK2928_CLKSEL_CON(5), 5, 1, MFLAGS), + GATE(0, "sclk_mac_refout", "sclk_gmac_pre", 0, + RK2928_CLKGATE_CON(5), 4, GFLAGS), + GATE(0, "sclk_mac_ref", "sclk_gmac_pre", 0, + RK2928_CLKGATE_CON(5), 3, GFLAGS), + GATE(0, "sclk_mac_rx", "sclk_gmac_pre", 0, + RK2928_CLKGATE_CON(5), 5, GFLAGS), + GATE(0, "sclk_mac_tx", "sclk_gmac_pre", 0, + RK2928_CLKGATE_CON(5), 6, GFLAGS), + COMPOSITE(0, "sclk_macphy", mux_sclk_macphy_p, 0, + RK2928_CLKSEL_CON(29), 12, 1, MFLAGS, 8, 2, DFLAGS, + RK2928_CLKGATE_CON(5), 7, GFLAGS), + COMPOSITE(0, "sclk_gmac_out", mux_pll_src_2plls_p, 0, + RK2928_CLKSEL_CON(5), 15, 1, MFLAGS, 8, 5, DFLAGS, + RK2928_CLKGATE_CON(2), 2, GFLAGS), + + /* + * Clock-Architecture Diagram 3 + */ + + /* PD_VOP */ + GATE(0, "aclk_rga", "aclk_rga_pre", 0, RK2928_CLKGATE_CON(13), 0, GFLAGS), + GATE(0, "aclk_rga_noc", "aclk_rga_pre", 0, RK2928_CLKGATE_CON(13), 11, GFLAGS), + GATE(0, "aclk_iep", "aclk_iep_pre", 0, RK2928_CLKGATE_CON(13), 2, GFLAGS), + GATE(0, "aclk_iep_noc", "aclk_iep_pre", 0, RK2928_CLKGATE_CON(13), 9, GFLAGS), + + GATE(0, "aclk_vop", "aclk_vop_pre", 0, RK2928_CLKGATE_CON(13), 5, GFLAGS), + GATE(0, "aclk_vop_noc", "aclk_vop_pre", 0, RK2928_CLKGATE_CON(13), 12, GFLAGS), + + GATE(0, "aclk_hdcp", "aclk_hdcp_pre", 0, RK2928_CLKGATE_CON(14), 10, GFLAGS), + GATE(0, "aclk_hdcp_noc", "aclk_hdcp_pre", 0, RK2928_CLKGATE_CON(13), 10, GFLAGS), + + GATE(0, "hclk_rga", "hclk_vio_pre", 0, RK2928_CLKGATE_CON(13), 1, GFLAGS), + GATE(0, "hclk_iep", "hclk_vio_pre", 0, RK2928_CLKGATE_CON(13), 3, GFLAGS), + GATE(0, "hclk_vop", "hclk_vio_pre", 0, RK2928_CLKGATE_CON(13), 6, GFLAGS), + GATE(0, "hclk_vio_ahb_arbi", "hclk_vio_pre", 0, RK2928_CLKGATE_CON(13), 7, GFLAGS), + GATE(0, "hclk_vio_noc", "hclk_vio_pre", 0, RK2928_CLKGATE_CON(13), 8, GFLAGS), + GATE(0, "hclk_vop_noc", "hclk_vio_pre", 0, RK2928_CLKGATE_CON(13), 13, GFLAGS), + GATE(0, "hclk_vio_h2p", "hclk_vio_pre", 0, RK2928_CLKGATE_CON(14), 7, GFLAGS), + GATE(0, "hclk_hdcp_mmu", "hclk_vio_pre", 0, RK2928_CLKGATE_CON(14), 12, GFLAGS), + GATE(0, "pclk_hdmi_ctrl", "hclk_vio_pre", 0, RK2928_CLKGATE_CON(14), 6, GFLAGS), + GATE(0, "pclk_vio_h2p", "hclk_vio_pre", 0, RK2928_CLKGATE_CON(14), 8, GFLAGS), + GATE(0, "pclk_hdcp", "hclk_vio_pre", 0, RK2928_CLKGATE_CON(14), 11, GFLAGS), + + /* PD_PERI */ + GATE(0, "aclk_peri_noc", "aclk_peri", CLK_IGNORE_UNUSED, RK2928_CLKGATE_CON(12), 0, GFLAGS), + GATE(0, "aclk_gmac", "aclk_peri", 0, RK2928_CLKGATE_CON(11), 4, GFLAGS), + + GATE(HCLK_SDMMC, "hclk_sdmmc", "hclk_peri", 0, RK2928_CLKGATE_CON(11), 0, GFLAGS), + GATE(HCLK_SDIO, "hclk_sdio", "hclk_peri", 0, RK2928_CLKGATE_CON(11), 1, GFLAGS), + GATE(HCLK_EMMC, "hclk_emmc", "hclk_peri", 0, RK2928_CLKGATE_CON(11), 2, GFLAGS), + GATE(HCLK_NANDC, "hclk_nandc", "hclk_peri", 0, RK2928_CLKGATE_CON(11), 3, GFLAGS), + GATE(0, "hclk_host0", "hclk_peri", 0, RK2928_CLKGATE_CON(11), 6, GFLAGS), + GATE(0, "hclk_host0_arb", "hclk_peri", 0, RK2928_CLKGATE_CON(11), 7, GFLAGS), + GATE(0, "hclk_host1", "hclk_peri", 0, RK2928_CLKGATE_CON(11), 8, GFLAGS), + GATE(0, "hclk_host1_arb", "hclk_peri", 0, RK2928_CLKGATE_CON(11), 9, GFLAGS), + GATE(0, "hclk_host2", "hclk_peri", 0, RK2928_CLKGATE_CON(11), 10, GFLAGS), + GATE(0, "hclk_otg", "hclk_peri", 0, RK2928_CLKGATE_CON(11), 12, GFLAGS), + GATE(0, "hclk_otg_pmu", "hclk_peri", 0, RK2928_CLKGATE_CON(11), 13, GFLAGS), + GATE(0, "hclk_host2_arb", "hclk_peri", 0, RK2928_CLKGATE_CON(11), 14, GFLAGS), + GATE(0, "hclk_peri_noc", "hclk_peri", CLK_IGNORE_UNUSED, RK2928_CLKGATE_CON(12), 1, GFLAGS), + + GATE(0, "pclk_gmac", "pclk_peri", 0, RK2928_CLKGATE_CON(11), 5, GFLAGS), + GATE(0, "pclk_peri_noc", "pclk_peri", CLK_IGNORE_UNUSED, RK2928_CLKGATE_CON(12), 2, GFLAGS), + + /* PD_GPU */ + GATE(0, "aclk_gpu", "aclk_gpu_pre", 0, RK2928_CLKGATE_CON(13), 14, GFLAGS), + GATE(0, "aclk_gpu_noc", "aclk_gpu_pre", 0, RK2928_CLKGATE_CON(13), 15, GFLAGS), + + /* PD_BUS */ + GATE(0, "sclk_initmem_mbist", "aclk_cpu", 0, RK2928_CLKGATE_CON(8), 1, GFLAGS), + GATE(0, "aclk_initmem", "aclk_cpu", 0, RK2928_CLKGATE_CON(8), 0, GFLAGS), + GATE(ACLK_DMAC, "aclk_dmac_bus", "aclk_cpu", 0, RK2928_CLKGATE_CON(8), 2, GFLAGS), + GATE(0, "aclk_bus_noc", "aclk_cpu", CLK_IGNORE_UNUSED, RK2928_CLKGATE_CON(10), 1, GFLAGS), + + GATE(0, "hclk_rom", "hclk_cpu", 0, RK2928_CLKGATE_CON(8), 3, GFLAGS), + GATE(0, "hclk_i2s0_8ch", "hclk_cpu", 0, RK2928_CLKGATE_CON(8), 7, GFLAGS), + GATE(0, "hclk_i2s1_8ch", "hclk_cpu", 0, RK2928_CLKGATE_CON(8), 8, GFLAGS), + GATE(0, "hclk_i2s2_2ch", "hclk_cpu", 0, RK2928_CLKGATE_CON(8), 9, GFLAGS), + GATE(0, "hclk_spdif_8ch", "hclk_cpu", 0, RK2928_CLKGATE_CON(8), 10, GFLAGS), + GATE(0, "hclk_tsp", "hclk_cpu", 0, RK2928_CLKGATE_CON(10), 11, GFLAGS), + GATE(0, "hclk_crypto_mst", "hclk_cpu", 0, RK2928_CLKGATE_CON(8), 11, GFLAGS), + GATE(0, "hclk_crypto_slv", "hclk_cpu", 0, RK2928_CLKGATE_CON(8), 12, GFLAGS), + + GATE(0, "pclk_ddrupctl", "pclk_ddr_pre", 0, RK2928_CLKGATE_CON(8), 4, GFLAGS), + GATE(0, "pclk_ddrmon", "pclk_ddr_pre", 0, RK2928_CLKGATE_CON(8), 6, GFLAGS), + GATE(0, "pclk_msch_noc", "pclk_ddr_pre", 0, RK2928_CLKGATE_CON(10), 2, GFLAGS), + + GATE(0, "pclk_efuse_1024", "pclk_cpu", 0, RK2928_CLKGATE_CON(8), 13, GFLAGS), + GATE(0, "pclk_efuse_256", "pclk_cpu", 0, RK2928_CLKGATE_CON(8), 14, GFLAGS), + GATE(PCLK_I2C0, "pclk_i2c0", "pclk_cpu", 0, RK2928_CLKGATE_CON(8), 15, GFLAGS), + GATE(PCLK_I2C1, "pclk_i2c1", "pclk_cpu", 0, RK2928_CLKGATE_CON(9), 0, GFLAGS), + GATE(PCLK_I2C2, "pclk_i2c2", "pclk_cpu", 0, RK2928_CLKGATE_CON(9), 1, GFLAGS), + GATE(PCLK_I2C3, "pclk_i2c3", "pclk_cpu", 0, RK2928_CLKGATE_CON(9), 2, GFLAGS), + GATE(PCLK_TIMER, "pclk_timer0", "pclk_cpu", 0, RK2928_CLKGATE_CON(9), 4, GFLAGS), + GATE(0, "pclk_stimer", "pclk_cpu", 0, RK2928_CLKGATE_CON(9), 5, GFLAGS), + GATE(PCLK_SPI0, "pclk_spi0", "pclk_cpu", 0, RK2928_CLKGATE_CON(9), 6, GFLAGS), + GATE(PCLK_PWM, "pclk_rk_pwm", "pclk_cpu", 0, RK2928_CLKGATE_CON(9), 7, GFLAGS), + GATE(PCLK_GPIO0, "pclk_gpio0", "pclk_cpu", 0, RK2928_CLKGATE_CON(9), 8, GFLAGS), + GATE(PCLK_GPIO1, "pclk_gpio1", "pclk_cpu", 0, RK2928_CLKGATE_CON(9), 9, GFLAGS), + GATE(PCLK_GPIO2, "pclk_gpio2", "pclk_cpu", 0, RK2928_CLKGATE_CON(9), 10, GFLAGS), + GATE(PCLK_GPIO3, "pclk_gpio3", "pclk_cpu", 0, RK2928_CLKGATE_CON(9), 11, GFLAGS), + GATE(PCLK_UART0, "pclk_uart0", "pclk_cpu", 0, RK2928_CLKGATE_CON(9), 12, GFLAGS), + GATE(PCLK_UART1, "pclk_uart1", "pclk_cpu", 0, RK2928_CLKGATE_CON(9), 13, GFLAGS), + GATE(PCLK_UART2, "pclk_uart2", "pclk_cpu", 0, RK2928_CLKGATE_CON(9), 14, GFLAGS), + GATE(0, "pclk_tsadc", "pclk_cpu", 0, RK2928_CLKGATE_CON(9), 15, GFLAGS), + GATE(PCLK_GRF, "pclk_grf", "pclk_cpu", CLK_IGNORE_UNUSED, RK2928_CLKGATE_CON(10), 0, GFLAGS), + GATE(0, "pclk_cru", "pclk_cpu", CLK_IGNORE_UNUSED, RK2928_CLKGATE_CON(10), 1, GFLAGS), + GATE(0, "pclk_sgrf", "pclk_cpu", CLK_IGNORE_UNUSED, RK2928_CLKGATE_CON(10), 2, GFLAGS), + GATE(0, "pclk_sim", "pclk_cpu", 0, RK2928_CLKGATE_CON(10), 3, GFLAGS), + + GATE(0, "pclk_ddrphy", "pclk_phy_pre", 0, RK2928_CLKGATE_CON(10), 3, GFLAGS), + GATE(0, "pclk_acodecphy", "pclk_phy_pre", 0, RK2928_CLKGATE_CON(10), 5, GFLAGS), + GATE(0, "pclk_hdmiphy", "pclk_phy_pre", 0, RK2928_CLKGATE_CON(10), 7, GFLAGS), + GATE(0, "pclk_vdacphy", "pclk_phy_pre", 0, RK2928_CLKGATE_CON(10), 8, GFLAGS), + GATE(0, "pclk_phy_noc", "pclk_phy_pre", 0, RK2928_CLKGATE_CON(10), 9, GFLAGS), + + GATE(0, "aclk_vpu", "aclk_vpu_pre", 0, RK2928_CLKGATE_CON(15), 0, GFLAGS), + GATE(0, "aclk_vpu_noc", "aclk_vpu_pre", 0, RK2928_CLKGATE_CON(15), 4, GFLAGS), + GATE(0, "aclk_rkvdec", "aclk_rkvdec_pre", 0, RK2928_CLKGATE_CON(15), 2, GFLAGS), + GATE(0, "aclk_rkvdec_noc", "aclk_rkvdec_pre", 0, RK2928_CLKGATE_CON(15), 6, GFLAGS), + GATE(0, "hclk_vpu", "hclk_vpu_pre", 0, RK2928_CLKGATE_CON(15), 1, GFLAGS), + GATE(0, "hclk_vpu_noc", "hclk_vpu_pre", 0, RK2928_CLKGATE_CON(15), 5, GFLAGS), + GATE(0, "hclk_rkvdec", "hclk_rkvdec_pre", 0, RK2928_CLKGATE_CON(15), 3, GFLAGS), + GATE(0, "hclk_rkvdec_noc", "hclk_rkvdec_pre", 0, RK2928_CLKGATE_CON(15), 7, GFLAGS), + + /* PD_MMC */ + MMC(SCLK_SDMMC_DRV, "sdmmc_drv", "sclk_sdmmc", RK3228_SDMMC_CON0, 1), + MMC(SCLK_SDMMC_SAMPLE, "sdmmc_sample", "sclk_sdmmc", RK3228_SDMMC_CON1, 1), + + MMC(SCLK_SDIO_DRV, "sdio_drv", "sclk_sdio", RK3228_SDIO_CON0, 1), + MMC(SCLK_SDIO_SAMPLE, "sdio_sample", "sclk_sdio", RK3228_SDIO_CON1, 1), + + MMC(SCLK_EMMC_DRV, "emmc_drv", "sclk_emmc", RK3228_EMMC_CON0, 1), + MMC(SCLK_EMMC_SAMPLE, "emmc_sample", "sclk_emmc", RK3228_EMMC_CON1, 1), +}; + +static const char *const rk3228_critical_clocks[] __initconst = { + "aclk_cpu", + "aclk_peri", + "hclk_peri", + "pclk_peri", +}; + +static void __init rk3228_clk_init(struct device_node *np) +{ + void __iomem *reg_base; + struct clk *clk; + + reg_base = of_iomap(np, 0); + if (!reg_base) { + pr_err("%s: could not map cru region\n", __func__); + return; + } + + rockchip_clk_init(np, reg_base, CLK_NR_CLKS); + + /* xin12m is created by an cru-internal divider */ + clk = clk_register_fixed_factor(NULL, "xin12m", "xin24m", 0, 1, 2); + if (IS_ERR(clk)) + pr_warn("%s: could not register clock xin12m: %ld\n", + __func__, PTR_ERR(clk)); + + clk = clk_register_fixed_factor(NULL, "ddrphy_pre", "ddrphy4x", 0, 1, 4); + if (IS_ERR(clk)) + pr_warn("%s: could not register clock ddrphy_pre: %ld\n", + __func__, PTR_ERR(clk)); + + clk = clk_register_fixed_factor(NULL, "hclk_vpu_pre", + "hclk_vpu_src", 0, 1, 4); + if (IS_ERR(clk)) + pr_warn("%s: could not register clock hclk_vpu_pre: %ld\n", + __func__, PTR_ERR(clk)); + + clk = clk_register_fixed_factor(NULL, "hclk_rkvdec_pre", + "hclk_rkvdec_src", 0, 1, 4); + if (IS_ERR(clk)) + pr_warn("%s: could not register clock hclk_rkvdec_pre: %ld\n", + __func__, PTR_ERR(clk)); + + rockchip_clk_register_plls(rk3228_pll_clks, + ARRAY_SIZE(rk3228_pll_clks), + RK3228_GRF_SOC_STATUS0); + rockchip_clk_register_branches(rk3228_clk_branches, + ARRAY_SIZE(rk3228_clk_branches)); + rockchip_clk_protect_critical(rk3228_critical_clocks, + ARRAY_SIZE(rk3228_critical_clocks)); + + rockchip_clk_register_armclk(ARMCLK, "armclk", + mux_armclk_p, ARRAY_SIZE(mux_armclk_p), + &rk3228_cpuclk_data, rk3228_cpuclk_rates, + ARRAY_SIZE(rk3228_cpuclk_rates)); + + rockchip_register_softrst(np, 9, reg_base + RK2928_SOFTRST_CON(0), + ROCKCHIP_SOFTRST_HIWORD_MASK); + + rockchip_register_restart_notifier(RK3228_GLB_SRST_FST, NULL); +} +CLK_OF_DECLARE(rk3228_cru, "rockchip,rk3228-cru", rk3228_clk_init); diff --git a/drivers/clk/rockchip/clk-rk3288.c b/drivers/clk/rockchip/clk-rk3288.c index 9040878e3e2b..984fc187d12e 100644 --- a/drivers/clk/rockchip/clk-rk3288.c +++ b/drivers/clk/rockchip/clk-rk3288.c @@ -225,6 +225,38 @@ static struct clk_div_table div_hclk_cpu_t[] = { #define GFLAGS (CLK_GATE_HIWORD_MASK | CLK_GATE_SET_TO_DISABLE) #define IFLAGS ROCKCHIP_INVERTER_HIWORD_MASK +static struct rockchip_clk_branch rk3288_i2s_fracmux __initdata = + MUX(0, "i2s_pre", mux_i2s_pre_p, CLK_SET_RATE_PARENT, + RK3288_CLKSEL_CON(4), 8, 2, MFLAGS); + +static struct rockchip_clk_branch rk3288_spdif_fracmux __initdata = + MUX(0, "spdif_mux", mux_spdif_p, CLK_SET_RATE_PARENT, + RK3288_CLKSEL_CON(5), 8, 2, MFLAGS); + +static struct rockchip_clk_branch rk3288_spdif_8ch_fracmux __initdata = + MUX(0, "spdif_8ch_mux", mux_spdif_8ch_p, CLK_SET_RATE_PARENT, + RK3288_CLKSEL_CON(40), 8, 2, MFLAGS); + +static struct rockchip_clk_branch rk3288_uart0_fracmux __initdata = + MUX(SCLK_UART0, "sclk_uart0", mux_uart0_p, CLK_SET_RATE_PARENT, + RK3288_CLKSEL_CON(13), 8, 2, MFLAGS); + +static struct rockchip_clk_branch rk3288_uart1_fracmux __initdata = + MUX(SCLK_UART1, "sclk_uart1", mux_uart1_p, CLK_SET_RATE_PARENT, + RK3288_CLKSEL_CON(14), 8, 2, MFLAGS); + +static struct rockchip_clk_branch rk3288_uart2_fracmux __initdata = + MUX(SCLK_UART2, "sclk_uart2", mux_uart2_p, CLK_SET_RATE_PARENT, + RK3288_CLKSEL_CON(15), 8, 2, MFLAGS); + +static struct rockchip_clk_branch rk3288_uart3_fracmux __initdata = + MUX(SCLK_UART3, "sclk_uart3", mux_uart3_p, CLK_SET_RATE_PARENT, + RK3288_CLKSEL_CON(16), 8, 2, MFLAGS); + +static struct rockchip_clk_branch rk3288_uart4_fracmux __initdata = + MUX(SCLK_UART4, "sclk_uart4", mux_uart4_p, CLK_SET_RATE_PARENT, + RK3288_CLKSEL_CON(3), 8, 2, MFLAGS); + static struct rockchip_clk_branch rk3288_clk_branches[] __initdata = { /* * Clock-Architecture Diagram 1 @@ -295,7 +327,7 @@ static struct rockchip_clk_branch rk3288_clk_branches[] __initdata = { RK3288_CLKGATE_CON(0), 4, GFLAGS), GATE(0, "c2c_host", "aclk_cpu_src", 0, RK3288_CLKGATE_CON(13), 8, GFLAGS), - COMPOSITE_NOMUX(0, "crypto", "aclk_cpu_pre", 0, + COMPOSITE_NOMUX(SCLK_CRYPTO, "crypto", "aclk_cpu_pre", 0, RK3288_CLKSEL_CON(26), 6, 2, DFLAGS, RK3288_CLKGATE_CON(5), 4, GFLAGS), GATE(0, "aclk_bus_2pmu", "aclk_cpu_pre", CLK_IGNORE_UNUSED, @@ -304,11 +336,10 @@ static struct rockchip_clk_branch rk3288_clk_branches[] __initdata = { COMPOSITE(0, "i2s_src", mux_pll_src_cpll_gpll_p, 0, RK3288_CLKSEL_CON(4), 15, 1, MFLAGS, 0, 7, DFLAGS, RK3288_CLKGATE_CON(4), 1, GFLAGS), - COMPOSITE_FRAC(0, "i2s_frac", "i2s_src", CLK_SET_RATE_PARENT, + COMPOSITE_FRACMUX(0, "i2s_frac", "i2s_src", CLK_SET_RATE_PARENT, RK3288_CLKSEL_CON(8), 0, - RK3288_CLKGATE_CON(4), 2, GFLAGS), - MUX(0, "i2s_pre", mux_i2s_pre_p, CLK_SET_RATE_PARENT, - RK3288_CLKSEL_CON(4), 8, 2, MFLAGS), + RK3288_CLKGATE_CON(4), 2, GFLAGS, + &rk3288_i2s_fracmux), COMPOSITE_NODIV(SCLK_I2S0_OUT, "i2s0_clkout", mux_i2s_clkout_p, 0, RK3288_CLKSEL_CON(4), 12, 1, MFLAGS, RK3288_CLKGATE_CON(4), 0, GFLAGS), @@ -317,23 +348,23 @@ static struct rockchip_clk_branch rk3288_clk_branches[] __initdata = { MUX(0, "spdif_src", mux_pll_src_cpll_gpll_p, 0, RK3288_CLKSEL_CON(5), 15, 1, MFLAGS), - COMPOSITE_NOMUX(0, "spdif_pre", "spdif_src", 0, + COMPOSITE_NOMUX(0, "spdif_pre", "spdif_src", CLK_SET_RATE_PARENT, RK3288_CLKSEL_CON(5), 0, 7, DFLAGS, RK3288_CLKGATE_CON(4), 4, GFLAGS), - COMPOSITE_FRAC(0, "spdif_frac", "spdif_src", 0, + COMPOSITE_FRACMUX(0, "spdif_frac", "spdif_src", CLK_SET_RATE_PARENT, RK3288_CLKSEL_CON(9), 0, - RK3288_CLKGATE_CON(4), 5, GFLAGS), - COMPOSITE_NODIV(SCLK_SPDIF, "sclk_spdif", mux_spdif_p, 0, - RK3288_CLKSEL_CON(5), 8, 2, MFLAGS, + RK3288_CLKGATE_CON(4), 5, GFLAGS, + &rk3288_spdif_fracmux), + GATE(SCLK_SPDIF, "sclk_spdif", "spdif_mux", CLK_SET_RATE_PARENT, RK3288_CLKGATE_CON(4), 6, GFLAGS), - COMPOSITE_NOMUX(0, "spdif_8ch_pre", "spdif_src", 0, + COMPOSITE_NOMUX(0, "spdif_8ch_pre", "spdif_src", CLK_SET_RATE_PARENT, RK3288_CLKSEL_CON(40), 0, 7, DFLAGS, RK3288_CLKGATE_CON(4), 7, GFLAGS), - COMPOSITE_FRAC(0, "spdif_8ch_frac", "spdif_8ch_pre", 0, + COMPOSITE_FRACMUX(0, "spdif_8ch_frac", "spdif_8ch_pre", CLK_SET_RATE_PARENT, RK3288_CLKSEL_CON(41), 0, - RK3288_CLKGATE_CON(4), 8, GFLAGS), - COMPOSITE_NODIV(SCLK_SPDIF8CH, "sclk_spdif_8ch", mux_spdif_8ch_p, 0, - RK3288_CLKSEL_CON(40), 8, 2, MFLAGS, + RK3288_CLKGATE_CON(4), 8, GFLAGS, + &rk3288_spdif_8ch_fracmux), + GATE(SCLK_SPDIF8CH, "sclk_spdif_8ch", "spdif_8ch_mux", CLK_SET_RATE_PARENT, RK3288_CLKGATE_CON(4), 9, GFLAGS), GATE(0, "sclk_acc_efuse", "xin24m", 0, @@ -536,45 +567,40 @@ static struct rockchip_clk_branch rk3288_clk_branches[] __initdata = { COMPOSITE(0, "uart0_src", mux_pll_src_cpll_gll_usb_npll_p, 0, RK3288_CLKSEL_CON(13), 13, 2, MFLAGS, 0, 7, DFLAGS, RK3288_CLKGATE_CON(1), 8, GFLAGS), - COMPOSITE_FRAC(0, "uart0_frac", "uart0_src", CLK_SET_RATE_PARENT, + COMPOSITE_FRACMUX(0, "uart0_frac", "uart0_src", CLK_SET_RATE_PARENT, RK3288_CLKSEL_CON(17), 0, - RK3288_CLKGATE_CON(1), 9, GFLAGS), - MUX(SCLK_UART0, "sclk_uart0", mux_uart0_p, CLK_SET_RATE_PARENT, - RK3288_CLKSEL_CON(13), 8, 2, MFLAGS), + RK3288_CLKGATE_CON(1), 9, GFLAGS, + &rk3288_uart0_fracmux), MUX(0, "uart_src", mux_pll_src_cpll_gpll_p, 0, RK3288_CLKSEL_CON(13), 15, 1, MFLAGS), COMPOSITE_NOMUX(0, "uart1_src", "uart_src", 0, RK3288_CLKSEL_CON(14), 0, 7, DFLAGS, RK3288_CLKGATE_CON(1), 10, GFLAGS), - COMPOSITE_FRAC(0, "uart1_frac", "uart1_src", CLK_SET_RATE_PARENT, + COMPOSITE_FRACMUX(0, "uart1_frac", "uart1_src", CLK_SET_RATE_PARENT, RK3288_CLKSEL_CON(18), 0, - RK3288_CLKGATE_CON(1), 11, GFLAGS), - MUX(SCLK_UART1, "sclk_uart1", mux_uart1_p, CLK_SET_RATE_PARENT, - RK3288_CLKSEL_CON(14), 8, 2, MFLAGS), + RK3288_CLKGATE_CON(1), 11, GFLAGS, + &rk3288_uart1_fracmux), COMPOSITE_NOMUX(0, "uart2_src", "uart_src", 0, RK3288_CLKSEL_CON(15), 0, 7, DFLAGS, RK3288_CLKGATE_CON(1), 12, GFLAGS), - COMPOSITE_FRAC(0, "uart2_frac", "uart2_src", CLK_SET_RATE_PARENT, + COMPOSITE_FRACMUX(0, "uart2_frac", "uart2_src", CLK_SET_RATE_PARENT, RK3288_CLKSEL_CON(19), 0, - RK3288_CLKGATE_CON(1), 13, GFLAGS), - MUX(SCLK_UART2, "sclk_uart2", mux_uart2_p, CLK_SET_RATE_PARENT, - RK3288_CLKSEL_CON(15), 8, 2, MFLAGS), + RK3288_CLKGATE_CON(1), 13, GFLAGS, + &rk3288_uart2_fracmux), COMPOSITE_NOMUX(0, "uart3_src", "uart_src", 0, RK3288_CLKSEL_CON(16), 0, 7, DFLAGS, RK3288_CLKGATE_CON(1), 14, GFLAGS), - COMPOSITE_FRAC(0, "uart3_frac", "uart3_src", CLK_SET_RATE_PARENT, + COMPOSITE_FRACMUX(0, "uart3_frac", "uart3_src", CLK_SET_RATE_PARENT, RK3288_CLKSEL_CON(20), 0, - RK3288_CLKGATE_CON(1), 15, GFLAGS), - MUX(SCLK_UART3, "sclk_uart3", mux_uart3_p, CLK_SET_RATE_PARENT, - RK3288_CLKSEL_CON(16), 8, 2, MFLAGS), + RK3288_CLKGATE_CON(1), 15, GFLAGS, + &rk3288_uart3_fracmux), COMPOSITE_NOMUX(0, "uart4_src", "uart_src", 0, RK3288_CLKSEL_CON(3), 0, 7, DFLAGS, RK3288_CLKGATE_CON(2), 12, GFLAGS), - COMPOSITE_FRAC(0, "uart4_frac", "uart4_src", CLK_SET_RATE_PARENT, + COMPOSITE_FRACMUX(0, "uart4_frac", "uart4_src", CLK_SET_RATE_PARENT, RK3288_CLKSEL_CON(7), 0, - RK3288_CLKGATE_CON(2), 13, GFLAGS), - MUX(SCLK_UART4, "sclk_uart4", mux_uart4_p, CLK_SET_RATE_PARENT, - RK3288_CLKSEL_CON(3), 8, 2, MFLAGS), + RK3288_CLKGATE_CON(2), 13, GFLAGS, + &rk3288_uart4_fracmux), COMPOSITE(0, "mac_pll_src", mux_pll_src_npll_cpll_gpll_p, 0, RK3288_CLKSEL_CON(21), 0, 2, MFLAGS, 8, 5, DFLAGS, @@ -644,10 +670,10 @@ static struct rockchip_clk_branch rk3288_clk_branches[] __initdata = { GATE(PCLK_PUBL0, "pclk_publ0", "pclk_cpu", 0, RK3288_CLKGATE_CON(10), 15, GFLAGS), GATE(PCLK_DDRUPCTL1, "pclk_ddrupctl1", "pclk_cpu", 0, RK3288_CLKGATE_CON(11), 0, GFLAGS), GATE(PCLK_PUBL1, "pclk_publ1", "pclk_cpu", 0, RK3288_CLKGATE_CON(11), 1, GFLAGS), - GATE(0, "pclk_efuse_1024", "pclk_cpu", 0, RK3288_CLKGATE_CON(11), 2, GFLAGS), + GATE(PCLK_EFUSE1024, "pclk_efuse_1024", "pclk_cpu", 0, RK3288_CLKGATE_CON(11), 2, GFLAGS), GATE(PCLK_TZPC, "pclk_tzpc", "pclk_cpu", 0, RK3288_CLKGATE_CON(11), 3, GFLAGS), GATE(PCLK_UART2, "pclk_uart2", "pclk_cpu", 0, RK3288_CLKGATE_CON(11), 9, GFLAGS), - GATE(0, "pclk_efuse_256", "pclk_cpu", 0, RK3288_CLKGATE_CON(11), 10, GFLAGS), + GATE(PCLK_EFUSE256, "pclk_efuse_256", "pclk_cpu", 0, RK3288_CLKGATE_CON(11), 10, GFLAGS), GATE(PCLK_RKPWM, "pclk_rkpwm", "pclk_cpu", CLK_IGNORE_UNUSED, RK3288_CLKGATE_CON(11), 11, GFLAGS), /* ddrctrl [DDR Controller PHY clock] gates */ @@ -709,7 +735,7 @@ static struct rockchip_clk_branch rk3288_clk_branches[] __initdata = { GATE(SCLK_LCDC_PWM1, "sclk_lcdc_pwm1", "xin24m", 0, RK3288_CLKGATE_CON(13), 11, GFLAGS), GATE(SCLK_PVTM_CORE, "sclk_pvtm_core", "xin24m", 0, RK3288_CLKGATE_CON(5), 9, GFLAGS), GATE(SCLK_PVTM_GPU, "sclk_pvtm_gpu", "xin24m", 0, RK3288_CLKGATE_CON(5), 10, GFLAGS), - GATE(0, "sclk_mipidsi_24m", "xin24m", 0, RK3288_CLKGATE_CON(5), 15, GFLAGS), + GATE(SCLK_MIPIDSI_24M, "sclk_mipidsi_24m", "xin24m", 0, RK3288_CLKGATE_CON(5), 15, GFLAGS), /* sclk_gpu gates */ GATE(ACLK_GPU, "aclk_gpu", "sclk_gpu", 0, RK3288_CLKGATE_CON(18), 0, GFLAGS), @@ -783,10 +809,10 @@ static const char *const rk3288_critical_clocks[] __initconst = { "pclk_pd_pmu", }; -#ifdef CONFIG_PM_SLEEP static void __iomem *rk3288_cru_base; -/* Some CRU registers will be reset in maskrom when the system +/* + * Some CRU registers will be reset in maskrom when the system * wakes up from fastboot. * So save them before suspend, restore them after resume. */ @@ -840,33 +866,27 @@ static void rk3288_clk_resume(void) } } +static void rk3288_clk_shutdown(void) +{ + writel_relaxed(0xf3030000, rk3288_cru_base + RK3288_MODE_CON); +} + static struct syscore_ops rk3288_clk_syscore_ops = { .suspend = rk3288_clk_suspend, .resume = rk3288_clk_resume, }; -static void rk3288_clk_sleep_init(void __iomem *reg_base) -{ - rk3288_cru_base = reg_base; - register_syscore_ops(&rk3288_clk_syscore_ops); -} - -#else /* CONFIG_PM_SLEEP */ -static void rk3288_clk_sleep_init(void __iomem *reg_base) {} -#endif - static void __init rk3288_clk_init(struct device_node *np) { - void __iomem *reg_base; struct clk *clk; - reg_base = of_iomap(np, 0); - if (!reg_base) { + rk3288_cru_base = of_iomap(np, 0); + if (!rk3288_cru_base) { pr_err("%s: could not map cru region\n", __func__); return; } - rockchip_clk_init(np, reg_base, CLK_NR_CLKS); + rockchip_clk_init(np, rk3288_cru_base, CLK_NR_CLKS); /* xin12m is created by an cru-internal divider */ clk = clk_register_fixed_factor(NULL, "xin12m", "xin24m", 0, 1, 2); @@ -907,10 +927,12 @@ static void __init rk3288_clk_init(struct device_node *np) &rk3288_cpuclk_data, rk3288_cpuclk_rates, ARRAY_SIZE(rk3288_cpuclk_rates)); - rockchip_register_softrst(np, 12, reg_base + RK3288_SOFTRST_CON(0), + rockchip_register_softrst(np, 12, + rk3288_cru_base + RK3288_SOFTRST_CON(0), ROCKCHIP_SOFTRST_HIWORD_MASK); - rockchip_register_restart_notifier(RK3288_GLB_SRST_FST); - rk3288_clk_sleep_init(reg_base); + rockchip_register_restart_notifier(RK3288_GLB_SRST_FST, + rk3288_clk_shutdown); + register_syscore_ops(&rk3288_clk_syscore_ops); } CLK_OF_DECLARE(rk3288_cru, "rockchip,rk3288-cru", rk3288_clk_init); diff --git a/drivers/clk/rockchip/clk-rk3368.c b/drivers/clk/rockchip/clk-rk3368.c index 7e6b783e6eee..be0ede522269 100644 --- a/drivers/clk/rockchip/clk-rk3368.c +++ b/drivers/clk/rockchip/clk-rk3368.c @@ -184,13 +184,13 @@ static const struct rockchip_cpuclk_reg_data rk3368_cpuclkl_data = { #define RK3368_CLKSEL0(_offs, _aclkm) \ { \ - .reg = RK3288_CLKSEL_CON(0 + _offs), \ + .reg = RK3368_CLKSEL_CON(0 + _offs), \ .val = HIWORD_UPDATE(_aclkm, RK3368_DIV_ACLKM_MASK, \ RK3368_DIV_ACLKM_SHIFT), \ } #define RK3368_CLKSEL1(_offs, _atclk, _pdbg) \ { \ - .reg = RK3288_CLKSEL_CON(1 + _offs), \ + .reg = RK3368_CLKSEL_CON(1 + _offs), \ .val = HIWORD_UPDATE(_atclk, RK3368_DIV_ATCLK_MASK, \ RK3368_DIV_ATCLK_SHIFT) | \ HIWORD_UPDATE(_pdbg, RK3368_DIV_PCLK_DBG_MASK, \ @@ -819,6 +819,13 @@ static struct rockchip_clk_branch rk3368_clk_branches[] __initdata = { }; static const char *const rk3368_critical_clocks[] __initconst = { + "aclk_bus", + "aclk_peri", + /* + * pwm1 supplies vdd_logic on a lot of boards, is currently unhandled + * but needs to stay enabled there (including its parents) at all times. + */ + "pclk_pwm1", "pclk_pd_pmu", }; @@ -882,6 +889,6 @@ static void __init rk3368_clk_init(struct device_node *np) rockchip_register_softrst(np, 15, reg_base + RK3368_SOFTRST_CON(0), ROCKCHIP_SOFTRST_HIWORD_MASK); - rockchip_register_restart_notifier(RK3368_GLB_SRST_FST); + rockchip_register_restart_notifier(RK3368_GLB_SRST_FST, NULL); } CLK_OF_DECLARE(rk3368_cru, "rockchip,rk3368-cru", rk3368_clk_init); diff --git a/drivers/clk/rockchip/clk.c b/drivers/clk/rockchip/clk.c index be6c7fd8315d..d9a0b5d4d47f 100644 --- a/drivers/clk/rockchip/clk.c +++ b/drivers/clk/rockchip/clk.c @@ -102,22 +102,82 @@ static struct clk *rockchip_clk_register_branch(const char *name, return clk; } +struct rockchip_clk_frac { + struct notifier_block clk_nb; + struct clk_fractional_divider div; + struct clk_gate gate; + + struct clk_mux mux; + const struct clk_ops *mux_ops; + int mux_frac_idx; + + bool rate_change_remuxed; + int rate_change_idx; +}; + +#define to_rockchip_clk_frac_nb(nb) \ + container_of(nb, struct rockchip_clk_frac, clk_nb) + +static int rockchip_clk_frac_notifier_cb(struct notifier_block *nb, + unsigned long event, void *data) +{ + struct clk_notifier_data *ndata = data; + struct rockchip_clk_frac *frac = to_rockchip_clk_frac_nb(nb); + struct clk_mux *frac_mux = &frac->mux; + int ret = 0; + + pr_debug("%s: event %lu, old_rate %lu, new_rate: %lu\n", + __func__, event, ndata->old_rate, ndata->new_rate); + if (event == PRE_RATE_CHANGE) { + frac->rate_change_idx = frac->mux_ops->get_parent(&frac_mux->hw); + if (frac->rate_change_idx != frac->mux_frac_idx) { + frac->mux_ops->set_parent(&frac_mux->hw, frac->mux_frac_idx); + frac->rate_change_remuxed = 1; + } + } else if (event == POST_RATE_CHANGE) { + /* + * The POST_RATE_CHANGE notifier runs directly after the + * divider clock is set in clk_change_rate, so we'll have + * remuxed back to the original parent before clk_change_rate + * reaches the mux itself. + */ + if (frac->rate_change_remuxed) { + frac->mux_ops->set_parent(&frac_mux->hw, frac->rate_change_idx); + frac->rate_change_remuxed = 0; + } + } + + return notifier_from_errno(ret); +} + static struct clk *rockchip_clk_register_frac_branch(const char *name, const char *const *parent_names, u8 num_parents, void __iomem *base, int muxdiv_offset, u8 div_flags, int gate_offset, u8 gate_shift, u8 gate_flags, - unsigned long flags, spinlock_t *lock) + unsigned long flags, struct rockchip_clk_branch *child, + spinlock_t *lock) { + struct rockchip_clk_frac *frac; struct clk *clk; struct clk_gate *gate = NULL; struct clk_fractional_divider *div = NULL; const struct clk_ops *div_ops = NULL, *gate_ops = NULL; - if (gate_offset >= 0) { - gate = kzalloc(sizeof(*gate), GFP_KERNEL); - if (!gate) - return ERR_PTR(-ENOMEM); + if (muxdiv_offset < 0) + return ERR_PTR(-EINVAL); + + if (child && child->branch_type != branch_mux) { + pr_err("%s: fractional child clock for %s can only be a mux\n", + __func__, name); + return ERR_PTR(-EINVAL); + } + frac = kzalloc(sizeof(*frac), GFP_KERNEL); + if (!frac) + return ERR_PTR(-ENOMEM); + + if (gate_offset >= 0) { + gate = &frac->gate; gate->flags = gate_flags; gate->reg = base + gate_offset; gate->bit_idx = gate_shift; @@ -125,13 +185,7 @@ static struct clk *rockchip_clk_register_frac_branch(const char *name, gate_ops = &clk_gate_ops; } - if (muxdiv_offset < 0) - return ERR_PTR(-EINVAL); - - div = kzalloc(sizeof(*div), GFP_KERNEL); - if (!div) - return ERR_PTR(-ENOMEM); - + div = &frac->div; div->flags = div_flags; div->reg = base + muxdiv_offset; div->mshift = 16; @@ -147,7 +201,61 @@ static struct clk *rockchip_clk_register_frac_branch(const char *name, NULL, NULL, &div->hw, div_ops, gate ? &gate->hw : NULL, gate_ops, - flags); + flags | CLK_SET_RATE_UNGATE); + if (IS_ERR(clk)) { + kfree(frac); + return clk; + } + + if (child) { + struct clk_mux *frac_mux = &frac->mux; + struct clk_init_data init; + struct clk *mux_clk; + int i, ret; + + frac->mux_frac_idx = -1; + for (i = 0; i < child->num_parents; i++) { + if (!strcmp(name, child->parent_names[i])) { + pr_debug("%s: found fractional parent in mux at pos %d\n", + __func__, i); + frac->mux_frac_idx = i; + break; + } + } + + frac->mux_ops = &clk_mux_ops; + frac->clk_nb.notifier_call = rockchip_clk_frac_notifier_cb; + + frac_mux->reg = base + child->muxdiv_offset; + frac_mux->shift = child->mux_shift; + frac_mux->mask = BIT(child->mux_width) - 1; + frac_mux->flags = child->mux_flags; + frac_mux->lock = lock; + frac_mux->hw.init = &init; + + init.name = child->name; + init.flags = child->flags | CLK_SET_RATE_PARENT; + init.ops = frac->mux_ops; + init.parent_names = child->parent_names; + init.num_parents = child->num_parents; + + mux_clk = clk_register(NULL, &frac_mux->hw); + if (IS_ERR(mux_clk)) + return clk; + + rockchip_clk_add_lookup(mux_clk, child->id); + + /* notifier on the fraction divider to catch rate changes */ + if (frac->mux_frac_idx >= 0) { + ret = clk_notifier_register(clk, &frac->clk_nb); + if (ret) + pr_err("%s: failed to register clock notifier for %s\n", + __func__, name); + } else { + pr_warn("%s: could not find %s as parent of %s, rate changes may not work\n", + __func__, name, child->name); + } + } return clk; } @@ -251,7 +359,8 @@ void __init rockchip_clk_register_branches( list->parent_names, list->num_parents, reg_base, list->muxdiv_offset, list->div_flags, list->gate_offset, list->gate_shift, - list->gate_flags, flags, &clk_lock); + list->gate_flags, flags, list->child, + &clk_lock); break; case branch_gate: flags |= CLK_SET_RATE_PARENT; @@ -341,9 +450,13 @@ void __init rockchip_clk_protect_critical(const char *const clocks[], } static unsigned int reg_restart; +static void (*cb_restart)(void); static int rockchip_restart_notify(struct notifier_block *this, unsigned long mode, void *cmd) { + if (cb_restart) + cb_restart(); + writel(0xfdb9, reg_base + reg_restart); return NOTIFY_DONE; } @@ -353,11 +466,12 @@ static struct notifier_block rockchip_restart_handler = { .priority = 128, }; -void __init rockchip_register_restart_notifier(unsigned int reg) +void __init rockchip_register_restart_notifier(unsigned int reg, void (*cb)(void)) { int ret; reg_restart = reg; + cb_restart = cb; ret = register_restart_handler(&rockchip_restart_handler); if (ret) pr_err("%s: cannot register restart handler, %d\n", diff --git a/drivers/clk/rockchip/clk.h b/drivers/clk/rockchip/clk.h index dc8ecb2673b7..ff8bd23a93ec 100644 --- a/drivers/clk/rockchip/clk.h +++ b/drivers/clk/rockchip/clk.h @@ -2,6 +2,9 @@ * Copyright (c) 2014 MundoReader S.L. * Author: Heiko Stuebner <heiko@sntech.de> * + * Copyright (c) 2015 Rockchip Electronics Co. Ltd. + * Author: Xing Zheng <zhengxing@rock-chips.com> + * * based on * * samsung/clk.h @@ -30,7 +33,7 @@ struct clk; #define HIWORD_UPDATE(val, mask, shift) \ ((val) << (shift) | (mask) << ((shift) + 16)) -/* register positions shared by RK2928, RK3066 and RK3188 */ +/* register positions shared by RK2928, RK3036, RK3066, RK3188 and RK3228 */ #define RK2928_PLL_CON(x) ((x) * 0x4) #define RK2928_MODE_CON 0x40 #define RK2928_CLKSEL_CON(x) ((x) * 0x4 + 0x44) @@ -40,6 +43,22 @@ struct clk; #define RK2928_SOFTRST_CON(x) ((x) * 0x4 + 0x110) #define RK2928_MISC_CON 0x134 +#define RK3036_SDMMC_CON0 0x144 +#define RK3036_SDMMC_CON1 0x148 +#define RK3036_SDIO_CON0 0x14c +#define RK3036_SDIO_CON1 0x150 +#define RK3036_EMMC_CON0 0x154 +#define RK3036_EMMC_CON1 0x158 + +#define RK3228_GLB_SRST_FST 0x1f0 +#define RK3228_GLB_SRST_SND 0x1f4 +#define RK3228_SDMMC_CON0 0x1c0 +#define RK3228_SDMMC_CON1 0x1c4 +#define RK3228_SDIO_CON0 0x1c8 +#define RK3228_SDIO_CON1 0x1cc +#define RK3228_EMMC_CON0 0x1d8 +#define RK3228_EMMC_CON1 0x1dc + #define RK3288_PLL_CON(x) RK2928_PLL_CON(x) #define RK3288_MODE_CON 0x50 #define RK3288_CLKSEL_CON(x) ((x) * 0x4 + 0x60) @@ -74,9 +93,22 @@ struct clk; #define RK3368_EMMC_CON1 0x41c enum rockchip_pll_type { + pll_rk3036, pll_rk3066, }; +#define RK3036_PLL_RATE(_rate, _refdiv, _fbdiv, _postdiv1, \ + _postdiv2, _dsmpd, _frac) \ +{ \ + .rate = _rate##U, \ + .fbdiv = _fbdiv, \ + .postdiv1 = _postdiv1, \ + .refdiv = _refdiv, \ + .postdiv2 = _postdiv2, \ + .dsmpd = _dsmpd, \ + .frac = _frac, \ +} + #define RK3066_PLL_RATE(_rate, _nr, _nf, _no) \ { \ .rate = _rate##U, \ @@ -101,6 +133,13 @@ struct rockchip_pll_rate_table { unsigned int nf; unsigned int no; unsigned int nb; + /* for RK3036 */ + unsigned int fbdiv; + unsigned int postdiv1; + unsigned int refdiv; + unsigned int postdiv2; + unsigned int dsmpd; + unsigned int frac; }; /** @@ -235,6 +274,7 @@ struct rockchip_clk_branch { int gate_offset; u8 gate_shift; u8 gate_flags; + struct rockchip_clk_branch *child; }; #define COMPOSITE(_id, cname, pnames, f, mo, ms, mw, mf, ds, dw,\ @@ -369,6 +409,24 @@ struct rockchip_clk_branch { .gate_flags = gf, \ } +#define COMPOSITE_FRACMUX(_id, cname, pname, f, mo, df, go, gs, gf, ch) \ + { \ + .id = _id, \ + .branch_type = branch_fraction_divider, \ + .name = cname, \ + .parent_names = (const char *[]){ pname }, \ + .num_parents = 1, \ + .flags = f, \ + .muxdiv_offset = mo, \ + .div_shift = 16, \ + .div_width = 16, \ + .div_flags = df, \ + .gate_offset = go, \ + .gate_shift = gs, \ + .gate_flags = gf, \ + .child = ch, \ + } + #define MUX(_id, cname, pnames, f, o, s, w, mf) \ { \ .id = _id, \ @@ -464,7 +522,7 @@ void rockchip_clk_register_armclk(unsigned int lookup_id, const char *name, const struct rockchip_cpuclk_rate_table *rates, int nrates); void rockchip_clk_protect_critical(const char *const clocks[], int nclocks); -void rockchip_register_restart_notifier(unsigned int reg); +void rockchip_register_restart_notifier(unsigned int reg, void (*cb)(void)); #define ROCKCHIP_SOFTRST_HIWORD_MASK BIT(0) |